derivar
derivar 30秒了解
- Derivar is a formal Portuguese verb meaning 'to derive' or 'originate from', essential for academic and professional communication.
- It is primarily used with the preposition 'de' to link a result, product, or word to its original source.
- In mathematics, it specifically refers to the process of differentiation (finding a derivative) and is used transitively.
- The word also carries a nautical meaning, describing a vessel or object drifting aimlessly due to currents or wind.
- Linguistic Context
- Used to explain how modern Portuguese words evolved from Latin or Greek roots. For example, 'Muitas palavras portuguesas derivam do latim.'
O queijo costuma derivar do leite de vaca ou de cabra.
- Logical Deduction
- In formal debates or academic writing, it describes how a conclusion is reached based on previous premises.
Esta conclusão pode derivar de uma análise superficial dos factos.
- Nautical and Physical Drift
- A secondary but important meaning is 'to drift'. This applies to ships lost at sea or particles moving off course due to external forces.
O barco começou a derivar para sul devido à forte corrente.
Os problemas atuais derivam de decisões tomadas há décadas.
Podemos derivar a função para encontrar o valor máximo.
- Scientific Application
- In mathematics, the verb is often used transitively (without a preposition) when performing an operation. 'O aluno deve derivar a equação em relação ao tempo.' In this case, it means 'to calculate the derivative'.
A palavra 'janela' parece derivar do latim 'januella'.
- Social Consequences
- When talking about social issues, it links a problem to its cause. 'A violência urbana pode derivar da desigualdade social.'
Estes benefícios derivam diretamente do novo contrato de trabalho.
- Physics and Motion
- To describe drifting or moving away from a path. 'A sonda espacial derivou da sua órbita original.'
O sucesso da empresa deriva de uma gestão rigorosa e inovadora.
Os lucros derivam das vendas realizadas no estrangeiro.
O rio deriva em vários braços antes de chegar à foz.
- News and Media
- Used to explain the causes of current events or the origins of political movements. 'O movimento deriva de uma insatisfação popular.'
Muitos termos técnicos derivam do inglês na área da informática.
- Legal and Formal Documents
- Contracts and laws use it to specify the source of rights or obligations. 'Os direitos que derivam deste contrato são intransmissíveis.'
A autoridade do presidente deriva da constituição nacional.
- Environmental Science
- Discussing the movement of pollutants or icebergs. 'O icebergue está a derivar em direção às rotas comerciais.'
Esta fragrância deriva de óleos essenciais naturais.
Os problemas respiratórios podem derivar da poluição atmosférica.
O termo 'saudade' deriva do latim 'solitatem'.
- Preposition Errors
- Incorrect: 'A palavra deriva o latim.' Correct: 'A palavra deriva DO latim.' Always remember to contract 'de' with the article.
Não confunda: derivar (to originate) com desviar (to divert).
- Overuse in Casual Speech
- Using 'derivar' when 'vir de' or 'ser de' would be more natural. Example: 'Eu derivo de Portugal' is very strange; say 'Eu venho de Portugal'.
Erro comum: Esquecer que derivar pode ser matemático (transitivo) ou de origem (intransitivo com 'de').
- False Cognate Confusion
- While 'derive' in English can mean 'to obtain', in Portuguese, 'derivar' is more about the 'source' than the 'act of getting'. Use 'obter' for the act of getting.
O barco derivou (drifted) sem rumo, não 'desviou' (diverted) propositadamente.
Muitos alunos dizem 'a ideia deriva em...' quando querem dizer 'deriva de...'.
A confusão entre derivar e provir é mínima, mas 'provir' é ainda mais formal.
- Derivar vs. Provir
- 'Derivar' suggests a structural or evolutionary link. 'Provir' simply states the source. 'A luz provém do sol' (simple source) vs. 'A palavra deriva do latim' (evolutionary link).
A sua alegria deriva das pequenas coisas da vida.
- Derivar vs. Resultar
- 'Resultar' focuses on the end product or consequence. 'Derivar' focuses on the lineage or the 'flow' from the cause.
Muitas dúvidas derivam da falta de comunicação clara.
- Nautical Synonyms
- When a ship is drifting, you can also use 'andar à matroca' (idiomatic) or 'flutuar sem rumo'. 'Derivar' remains the technical term.
Este produto deriva de uma receita tradicional da família.
A instabilidade política pode derivar em conflitos sociais.
O termo jurídico deriva de uma norma antiga.
How Formal Is It?
趣味小知识
The word 'rival' comes from the same root ('rivus'). Rivals were originally people who shared the same stream and fought over the water rights!
发音指南
- Stressing the second syllable (de-RI-var) like in English.
- Pronouncing the 'v' like a 'b' (common in Northern Portugal).
- Making the 'e' too open (dê-rivar).
- Swallowing the final 'r' too much.
- Pronouncing the 'i' as a short 'ih' instead of a long 'ee'.
难度评级
Common in texts but requires understanding of prepositions.
Tricky to use naturally without sounding too formal.
Pronunciation is easy, but context choice is hard.
Clear pronunciation makes it easy to spot.
接下来学什么
前置知识
接下来学习
高级
需要掌握的语法
Preposition Contraction
Deriva + o = Deriva do.
Regular -ar Verb Conjugation
Eu derivo, tu derivas, ele deriva.
Transitive vs Intransitive
Derivar a função (Transitive) vs Derivar do latim (Intransitive).
Noun Agreement with 'Derivado'
Produtos derivados (Plural).
Passive Voice with Derivar
A função foi derivada pelo aluno.
按水平分级的例句
O leite deriva da vaca.
Milk derives from the cow.
Simple 'derivar de' structure.
Esta palavra deriva do espanhol?
Does this word derive from Spanish?
Interrogative form.
O papel deriva da madeira.
Paper derives from wood.
Basic material origin.
A água deriva da chuva.
The water derives from the rain.
Natural source.
O pão deriva do trigo.
Bread derives from wheat.
Simple source.
De onde deriva este nome?
Where does this name derive from?
Question with 'de onde'.
O queijo deriva do leite.
Cheese derives from milk.
Common food origin.
As cores derivam da luz.
Colors derive from light.
Plural subject-verb agreement.
O meu apelido deriva de uma vila.
My surname derives from a village.
Talking about personal history.
Muitos pratos derivam da tradição rural.
Many dishes derive from rural tradition.
Abstract source (tradition).
Este óleo deriva de sementes naturais.
This oil derives from natural seeds.
Product origin.
A ideia deriva de um livro antigo.
The idea derives from an old book.
Conceptual origin.
O mel deriva do trabalho das abelhas.
Honey derives from the work of bees.
Source involving an action.
Esta música deriva do folclore local.
This music derives from local folklore.
Cultural origin.
A energia deriva do sol.
The energy derives from the sun.
Scientific source.
O plástico deriva do petróleo.
Plastic derives from petroleum.
Material science origin.
O conflito derivou de um mal-entendido.
The conflict derived from a misunderstanding.
Past tense 'derivou'.
Muitas leis derivam de princípios éticos.
Many laws derive from ethical principles.
Abstract plural subject.
A sua fadiga deriva do excesso de trabalho.
Your fatigue derives from overwork.
Causal relationship.
O sucesso deriva da persistência.
Success derives from persistence.
Inspirational context.
As dúvidas derivam da falta de informação.
The doubts derive from the lack of information.
Linking state to cause.
O lucro deriva das exportações.
The profit derives from exports.
Business context.
A autoridade deriva do cargo que ele ocupa.
The authority derives from the position he holds.
Institutional origin.
Esta palavra deriva de uma raiz grega.
This word derives from a Greek root.
Linguistic origin.
O barco derivou durante a noite de tempestade.
The boat drifted during the storm night.
Nautical meaning (to drift).
Precisamos de derivar esta fórmula matemática.
We need to derive this mathematical formula.
Mathematical transitive use.
A crise política pode derivar em eleições antecipadas.
The political crisis could result in early elections.
'Derivar em' meaning 'to result in'.
Estes direitos derivam diretamente da Constituição.
These rights derive directly from the Constitution.
Legal context.
O icebergue está a derivar para o sul.
The iceberg is drifting towards the south.
Present continuous 'está a derivar'.
A sua conclusão deriva de uma premissa falsa.
Your conclusion derives from a false premise.
Logical analysis.
Muitos compostos químicos derivam do benzeno.
Many chemical compounds derive from benzene.
Technical scientific use.
A conversa derivou para temas mais sérios.
The conversation drifted towards more serious themes.
Metaphorical drift.
A deriva continental explica a posição dos países.
Continental drift explains the position of countries.
Noun form 'deriva'.
O pensamento dele deriva para o existencialismo.
His thought drifts towards existentialism.
Nuanced intellectual drift.
As obrigações derivam do contrato assinado ontem.
The obligations derive from the contract signed yesterday.
Formal legal obligation.
Não deixes a tua mente derivar durante o exame.
Don't let your mind drift during the exam.
Psychological drift.
A legitimidade do poder deriva do consentimento.
The legitimacy of power derives from consent.
Political philosophy.
O valor da moeda deriva da confiança no mercado.
The value of the currency derives from market confidence.
Economic theory.
A palavra 'saudade' deriva de uma evolução complexa.
The word 'saudade' derives from a complex evolution.
Historical linguistics.
A nave espacial derivou após a falha do motor.
The spacecraft drifted after the engine failure.
Technical/Science fiction.
A hermenêutica deriva do estudo de textos sagrados.
Hermeneutics derives from the study of sacred texts.
High-level academic terminology.
O conceito de 'eu' deriva de construções sociais.
The concept of 'self' derives from social constructions.
Sociological theory.
A obra deriva em digressões líricas constantes.
The work drifts into constant lyrical digressions.
Literary criticism.
As prerrogativas que derivam da soberania nacional.
The prerogatives that derive from national sovereignty.
Constitutional law.
A função foi derivada para determinar a aceleração.
The function was derived to determine the acceleration.
Passive voice in mathematics.
O mal-estar social deriva de uma anomia profunda.
Social malaise derives from a profound anomie.
Advanced sociology.
A ética kantiana deriva da razão pura.
Kantian ethics derives from pure reason.
Philosophical attribution.
O fluxo de caixa deriva de ativos diversificados.
Cash flow derives from diversified assets.
Sophisticated finance.
常见搭配
常用短语
— To be drifting without direction, literally or metaphorically.
Sem um plano, a empresa está à deriva.
— To lead to or result in confusion.
As ordens contraditórias derivaram em confusão total.
— To originate entirely from one source.
O seu sucesso deriva por completo do esforço.
— To get the meaning from context.
Podemos derivar o sentido da frase pelo contexto.
— To get power from a specific source.
Ele deriva autoridade do seu vasto conhecimento.
容易混淆的词
Desviar is to change direction intentionally; derivar is to drift or originate.
Dirigir is to lead or drive; it sounds vaguely similar but has a totally different meaning.
In English, 'differentiate' is the math term for finding a derivative, but in Portuguese, we use 'derivar'.
习语与表达
— To be lost or without a goal in life.
Depois de perder o emprego, ele andou à deriva por meses.
informal— To go with the flow without making decisions.
Não te deixes levar pela deriva, toma as rédeas da tua vida.
metaphorical— To start heading in a bad direction.
A conversa derivou para o lado errado quando falaram de dinheiro.
neutral— The geological theory of continents moving.
A deriva continental foi proposta por Wegener.
scientific— Changes in gene frequency in a population.
A deriva genética afeta populações pequenas.
scientific— To be lost at sea.
Os náufragos estiveram à deriva no mar durante três dias.
neutral— A shift towards authoritarianism.
Muitos temem uma deriva autoritária no governo.
political— The movement of ice floes.
A deriva de gelo é perigosa para a navegação.
technical容易混淆
Often used as a noun.
Derivado is the thing produced (like yogurt is a milk derivative). Derivar is the action.
O iogurte é um derivado do leite.
The process name.
Derivação is the linguistic or mathematical process itself.
A derivação desta palavra é complexa.
Adjective meaning 'coming from'.
Proveniente is an adjective; derivar is a verb.
Frutos provenientes da horta.
Adjective for result.
Resultante describes the outcome; derivar describes the flow.
A força resultante é zero.
The noun for origin.
Origem is the 'where'; derivar is the 'coming from'.
Qual é a origem deste termo?
句型
[Sujeito] deriva de [Lugar].
O vinho deriva de uvas.
[Problema] deriva de [Causa].
A poluição deriva das fábricas.
[Conclusão] deriva de [Premissa].
A minha ideia deriva do que li.
[Direito] deriva de [Artigo/Lei].
O direito deriva da lei.
[Conceito] deriva em [Estado].
A anarquia deriva em caos.
Derivar [Objeto Matemático].
Vou derivar a função x ao quadrado.
O nome [Nome] deriva de [Fonte].
O nome Maria deriva do hebraico.
Estar à deriva.
O navio está à deriva no Atlântico.
词族
名词
动词
形容词
相关
如何使用
Common in written Portuguese and formal speech.
-
A palavra deriva o latim.
→
A palavra deriva do latim.
You must use the preposition 'de' contracted with the article.
-
Eu derivo de Londres.
→
Eu sou de Londres / Eu venho de Londres.
'Derivar' is not used for personal hometowns.
-
O barco desviou no mar.
→
O barco derivou no mar.
Use 'derivar' for passive drifting, 'desviar' for active turning.
-
Derivar a prazer.
→
Derivar prazer de.
'Derivar' (to get) should be followed by the source with 'de'.
-
A função foi diferenciada.
→
A função foi derivada.
While 'diferenciar' is used in English math (differentiation), 'derivar' is the term in Portuguese.
小贴士
Preposition Alert
Always check if you need 'do' or 'da' after 'derivar'. It's never just 'de' unless the noun is indefinite.
Academic Tone
Use 'derivar' in your Portuguese writing to sound more sophisticated and precise.
Nautical Usage
Remember 'à deriva' for anything that has lost its way, like a project or a person's life.
Calculus
In a math context, 'derivar' is the opposite of 'integrar'.
Word Roots
Use it to explain your own language's history when talking to Portuguese speakers.
Business Reports
Use it to explain where profits or losses come from: 'Os lucros derivam de...'
Natural Sources
Great for describing natural products: 'Este corante deriva de insetos'.
Logic Chains
Use it to connect your thoughts: 'Dessa ideia, derivamos que...'
Avoiding Repetition
Alternate between 'derivar', 'provir', and 'originar-se' in long texts.
The River Rule
Remember: Derivar is like a Diverted River.
记住它
记忆技巧
Think of a RIVER (rivus). To DERIVE is to take water from that RIVER. The 'DE' in derivar means 'FROM' the river.
视觉联想
Visualize a small stream splitting into two. The new small stream 'derives' from the main one.
Word Web
挑战
Try to write three sentences using 'derivar' in three different ways: one about a word, one about a cause, and one about a boat.
词源
From the Latin verb 'derivare', which is formed by 'de-' (from) and 'rivus' (stream/brook).
原始含义: Literally 'to draw off water from a stream' or 'to divert a river'.
Romance (Latin root).文化背景
No specific sensitivities; it's a neutral, technical term.
English speakers often use 'derive' for personal gain (e.g., 'I derive pleasure'), whereas in Portuguese, it's more about the objective source.
在生活中练习
真实语境
Linguistics
- deriva do latim
- raiz da palavra
- evolução fonética
- etimologia
Mathematics
- derivar a função
- taxa de variação
- cálculo diferencial
- derivada de primeira ordem
Law
- deriva da lei
- direitos derivados
- fonte jurídica
- norma constitucional
Science
- derivado do petróleo
- composto derivado
- origem biológica
- deriva continental
Nautical
- navio à deriva
- corrente marítima
- perder o rumo
- derivar para sul
对话开场白
"Sabias que muitas palavras portuguesas derivam do árabe?"
"Achas que o sucesso de uma pessoa deriva mais do talento ou do esforço?"
"De que fonte achas que deriva a autoridade de um líder?"
"Já alguma vez te sentiste 'à deriva' na vida, sem saber o que fazer?"
"Consegues explicar de onde deriva o teu interesse por línguas?"
日记主题
Escreve sobre uma tradição da tua família e de onde achas que ela deriva.
Reflete sobre como os teus valores atuais derivam da tua educação na infância.
Descreve um momento em que uma conversa simples derivou para um tema profundo.
Analisa as consequências que derivam de uma decisão importante que tomaste recentemente.
Imagina que és um explorador; descreve um barco à deriva que encontraste no oceano.
常见问题
10 个问题Usually no. Instead of 'Eu derivo de Portugal', say 'Eu descendo de portugueses' or 'Eu venho de Portugal'.
No, that's just one specific use. Its most common use is explaining the origin of words or ideas.
It almost always uses 'de' (de, do, da, dos, das). Sometimes it uses 'em' to mean 'result in'.
Both exist. 'Derivar' is more common for words/math. 'Derivar-se' can be used for things originating from a source, but it's less frequent.
You use 'derivar' or the phrase 'estar à deriva'.
Yes, it follows the standard pattern for verbs ending in -ar.
In English yes, but in Portuguese, 'obter' is better for the act of getting something.
It is a dairy product, like cheese, butter, or yogurt.
Yes, it is used identically in Portugal and Brazil, though Brazilians might use 'vir de' more in casual speech.
Yes, to describe where the river starts or where it splits into branches.
自我测试 180 个问题
Write a sentence using 'derivar' to explain the origin of a word.
Well written! Good try! Check the sample answer below.
Write a sentence using 'à deriva' metaphorically.
Well written! Good try! Check the sample answer below.
Explain a scientific fact using 'deriva' or 'derivar'.
Well written! Good try! Check the sample answer below.
Use 'derivar' in a sentence about a logical conclusion.
Well written! Good try! Check the sample answer below.
Write a sentence about a boat drifting.
Well written! Good try! Check the sample answer below.
Use the noun 'derivado' in a sentence about food.
Well written! Good try! Check the sample answer below.
Write a formal sentence about legal rights using 'derivar'.
Well written! Good try! Check the sample answer below.
Use 'derivar' to describe a conversation changing topic.
Well written! Good try! Check the sample answer below.
Write a sentence about the origin of your name.
Well written! Good try! Check the sample answer below.
Explain where paper comes from using 'derivar'.
Well written! Good try! Check the sample answer below.
Use 'derivar' in a mathematical context.
Well written! Good try! Check the sample answer below.
Write about a mistake leading to a problem using 'derivar'.
Well written! Good try! Check the sample answer below.
Use 'emanar' as a synonym for 'derivar' in a poetic sentence.
Well written! Good try! Check the sample answer below.
Write a sentence about the origin of energy.
Well written! Good try! Check the sample answer below.
Use 'derivar em' to show a result.
Well written! Good try! Check the sample answer below.
Describe a family tradition's origin.
Well written! Good try! Check the sample answer below.
Write a sentence about the origin of a chemical compound.
Well written! Good try! Check the sample answer below.
Use 'derivar' to talk about pleasure or joy.
Well written! Good try! Check the sample answer below.
Write about the 'continental drift'.
Well written! Good try! Check the sample answer below.
Explain a word's meaning based on its origin.
Well written! Good try! Check the sample answer below.
Pronounce 'derivar' correctly.
Read this aloud:
你说的:
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Tell me where your favorite food 'deriva' from.
Read this aloud:
你说的:
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Say 'The boat is drifting' in Portuguese.
Read this aloud:
你说的:
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Explain the origin of the word 'casa' using 'derivar'.
Read this aloud:
你说的:
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Ask a friend where their surname 'deriva' from.
Read this aloud:
你说的:
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State that success comes from effort.
Read this aloud:
你说的:
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Use 'à deriva' in a sentence about a bad situation.
Read this aloud:
你说的:
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Pronounce 'derivado' correctly.
Read this aloud:
你说的:
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Tell someone to derive a function in math class.
Read this aloud:
你说的:
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Say 'These rights derive from the law'.
Read this aloud:
你说的:
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Explain that plastic comes from oil.
Read this aloud:
你说的:
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Say 'The conversation drifted to other topics'.
Read this aloud:
你说的:
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Use 'derivar' to describe a logical result.
Read this aloud:
你说的:
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Pronounce 'derivação' correctly.
Read this aloud:
你说的:
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State that your joy comes from your family.
Read this aloud:
你说的:
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Explain that paper comes from wood.
Read this aloud:
你说的:
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Say 'We derive many benefits from this'.
Read this aloud:
你说的:
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Ask 'Where does this tradition derive from?'.
Read this aloud:
你说的:
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Say 'The ice is drifting'.
Read this aloud:
你说的:
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Use 'derivar' in a formal presentation opener.
Read this aloud:
你说的:
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Listen and write the missing word: 'A palavra ________ do latim.'
Is the speaker talking about math or a boat? 'Precisamos de derivar esta função.'
Identify the source mentioned: 'O iogurte deriva do leite.'
What happened to the boat? 'O barco derivou toda a noite.'
Is the tone formal or informal? 'Este direito deriva da constituição.'
What is the topic? 'A deriva continental foi um marco na geologia.'
Write the plural form heard: 'As ideias derivam de factos.'
What is the product? 'A gasolina é um derivado do petróleo.'
Listen: 'A nossa alegria deriva de vocês.' Who is the source?
Does the speaker sound confused? 'O projeto está à deriva.'
Identify the verb tense: 'Derivou'.
Identify the verb tense: 'Derivaremos'.
Is it 'deriva' or 'derivas'? 'Tu derivas prazer da arte.'
What is the source of the term? 'O termo deriva do francês.'
Write the full sentence: 'O mel deriva das abelhas.'
/ 180 correct
Perfect score!
Summary
The verb 'derivar' is your go-to word for explaining the 'why' and 'where from' of complex topics. Whether you are tracing a word's history or a chemical's source, remember the formula: [Result] + derivar + de + [Source].
- Derivar is a formal Portuguese verb meaning 'to derive' or 'originate from', essential for academic and professional communication.
- It is primarily used with the preposition 'de' to link a result, product, or word to its original source.
- In mathematics, it specifically refers to the process of differentiation (finding a derivative) and is used transitively.
- The word also carries a nautical meaning, describing a vessel or object drifting aimlessly due to currents or wind.
Preposition Alert
Always check if you need 'do' or 'da' after 'derivar'. It's never just 'de' unless the noun is indefinite.
Academic Tone
Use 'derivar' in your Portuguese writing to sound more sophisticated and precise.
Nautical Usage
Remember 'à deriva' for anything that has lost its way, like a project or a person's life.
Calculus
In a math context, 'derivar' is the opposite of 'integrar'.
相关内容
这个词在其他语言中
更多general词汇
a cerca de
B1在谈论距离或未来时间时,意为“大约”或“大概”。
à direita
A2向右或在右侧。用于指示方向或位置。
à esquerda
A2在左边。用于指示方向或描述位置。
a fim de
A2为了;想要。 '为了通过考试而学习。' / '我想吃比萨。'
à frente
A2在...前面 (Zài... qiánmiàn). '他在我前面。'
a frente
A2在前面; 向前
À frente de
A2在……前面或领导……。'汽车在房子前面'。
a tempo
A2及时,准时。用于表示某事在截止日期或特定事件之前发生。
à volta de
A2在...周围。用于空间(桌子周围)或估算(约十欧元)。
abaixo
A1在...下面; 在下方。