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A2 noun 7分で読める

foca

A carnivorous marine mammal with a streamlined body and flippers.

At the A1 level, 'foca' is introduced as a basic vocabulary word for animals. Students learn that 'a foca' is a marine animal that lives in the water. The focus is on simple identification: 'Isto é uma foca' (This is a seal). Learners should recognize the word in picture books or basic animal lists. The grammatical emphasis is purely on the feminine article 'a'. At this stage, there is no need to worry about the verb 'focar' or complex biological distinctions. The goal is to associate the sound /'fɔ.kɐ/ with the image of the animal. Simple sentences like 'A foca é bonita' (The seal is pretty) are typical. Vocabulary exercises often involve matching the word to a picture of a seal.
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At the A2 level, students expand their use of 'foca' to describe actions and simple habitats. You will learn to say things like 'A foca nada no mar' (The seal swims in the sea) or 'Eu vi uma foca no zoológico' (I saw a seal at the zoo). You begin to use adjectives to describe the seal's appearance, such as 'foca cinzenta' (grey seal) or 'foca grande' (big seal). This level also introduces the plural 'focas'. You might encounter the word in short texts about nature or travel. It is important at this stage to consistently use the feminine gender correctly and to start noticing the difference between the noun 'foca' and the verb form 'foca' in very simple contexts, although the focus remains on the animal.
At the B1 level, 'foca' appears in more complex narratives and discussions about the environment. You might read an article about the 'foca-monge' in Madeira and its conservation status. You will use the word to discuss ecological topics, such as 'O habitat da foca está em perigo' (The seal's habitat is in danger). You also become more comfortable with the homonym 'foca' (from the verb focar). You can distinguish between 'A foca vive no gelo' and 'Ele foca no seu objetivo'. Your vocabulary grows to include related terms like 'aquecimento global' (global warming) and 'extinção' (extinction) in relation to marine life. You can describe the seal's behavior in more detail using a wider range of verbs.
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At the B2 level, you can use 'foca' in technical or academic discussions regarding biology or environmental policy. You might analyze the impact of commercial fishing on 'foca' populations. You understand the nuances between different types of pinnipeds and can explain the differences between a 'foca' and a 'leão-marinho' in Portuguese. You also use the verb 'focar' and its derivatives (foco, focado, focalizar) fluently. In writing, you can produce reports or essays that mention 'focas' as part of a larger ecosystem. You are aware of idiomatic expressions or cultural references, such as the famous Vinícius de Moraes poem, and can discuss their significance in Lusophone culture.
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At the C1 level, your understanding of 'foca' is near-native. You can engage in deep scientific discourse about 'focídeos' (Phocidae) and their evolutionary history. You recognize 'foca' in literature, where it might be used metaphorically. You are perfectly comfortable with the grammatical status of the word as an epicene noun and never make gender mistakes. You can follow fast-paced documentaries or lectures where 'foca' is mentioned alongside complex terminology. You also understand the use of 'foca' in professional jargon, perhaps in journalism where a 'foca' can be a slang term for a 'rookie' or trainee journalist in some Brazilian contexts. Your ability to switch between the animal noun and the verb 'focar' is seamless.
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At the C2 level, 'foca' is a word you master in all its dimensions—biological, linguistic, and cultural. You can discuss the etymological roots of the word from the Latin 'phoca' and its Greek origin 'phōkē'. You are capable of writing professional-grade articles about marine conservation or linguistic analysis of homonyms in Portuguese. You understand every subtle cultural nuance, from children's songs to regional variations in Portugal and Brazil. You can use the word in puns, wordplay, or high-level academic research without hesitation. Your command of the language allows you to see 'foca' as a simple word that fits into a vast, complex web of Portuguese vocabulary and culture.
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例文 メモとヒント

foca 30秒で

  • Foca means seal in Portuguese and is a feminine noun.
  • It is also the 3rd person singular present of the verb 'focar' (to focus).
  • Grammatically, it is an epicene noun, always taking 'a' regardless of the animal's sex.
  • Commonly found in nature documentaries and children's songs like those by Vinícius de Moraes.
The word foca is a primary noun in the Portuguese language used to describe a seal, specifically those belonging to the family Phocidae. In a biological context, it refers to the earless seals, distinguishing them from sea lions (leões-marinhos) which have visible external ear flaps. For an English speaker, the term is quite straightforward as it directly maps to the animal found in cold arctic waters or resting on rocky shores. However, its usage in Portuguese carries specific grammatical nuances that are essential for A2 learners. The word is an epicene noun, meaning it has a fixed grammatical gender—feminine—regardless of the biological sex of the animal. If you need to specify the sex, you must add the words 'macho' (male) or 'fêmea' (female). Beyond biology, the word 'foca' is also the third-person singular present indicative form of the verb 'focar' (to focus), which creates an interesting homonym in the language. When you are at a zoo, an aquarium, or watching a nature documentary, 'foca' will almost exclusively refer to the animal. In professional or academic settings, it might appear as a verb. Understanding this distinction is a hallmark of moving from a beginner to an intermediate level.
Biological Classification
In Portuguese, 'foca' refers to pinnipeds without external ears. They are known for their thick blubber and streamlined bodies designed for efficient swimming.

A foca cinzenta descansa na areia da praia durante a tarde.

Common Habitats
Focas are often associated with the Arctic and Antarctic, but species like the Mediterranean Monk Seal (foca-monge) are found in warmer waters, including the Madeira archipelago in Portugal.

Vimos uma foca nadando perto do iceberg.

Linguistic Trap
Be careful not to confuse 'foca' (animal) with 'faca' (knife). The vowel sound 'o' in foca is open (/ɔ/), while 'a' in faca is distinct.

A criança deu um peixe para a foca no parque aquático.

O documentário sobre a foca leopardo foi muito impressionante.

As focas são animais muito sociais e inteligentes.

Using 'foca' in a sentence requires an understanding of its feminine gender. Every adjective or article associated with it must match this gender. For example, you would say 'a foca pequena' (the small seal) and not 'o foca pequeno'. When describing actions, 'foca' is the subject. 'A foca mergulha' (The seal dives). Because it is a common noun, it often appears with definite articles (a, as) or indefinite articles (uma, umas). In more advanced Portuguese, you might encounter 'foca' as a verb. For instance, 'Ele foca na tarefa' (He focuses on the task). While the spelling is identical, the context usually makes the meaning clear. In terms of pluralization, you simply add an 's' to get 'focas'. When talking about groups, you might use collective nouns or simply the plural form. It is also common in children's literature, often personified as a playful character.
Agreement
Always use feminine articles: 'A foca', 'Uma foca'. Adjectives also change: 'foca gorda', 'foca rápida'.

Aquela foca é muito engraçada quando brinca com a bola.

Action Verbs
Common verbs used with foca include: nadar (to swim), mergulhar (to dive), caçar (to hunt), and descansar (to rest).

A foca consegue prender a respiração por muito tempo embaixo d'água.

Muitas focas vivem em colônias grandes para se protegerem.

Vimos a foca comendo um peixe fresco.

You are most likely to hear the word 'foca' in educational settings, zoos, or during conversations about travel and nature. In Portugal, specifically in the Madeira islands, the 'foca-monge' (monk seal) is a major topic of conservation, so you might hear it on the local news or in environmental documentaries. In Brazil, while seals aren't native to the tropical coastlines, they occasionally appear as 'lost' visitors from the south, making headlines in local newspapers. Children's cartoons and songs often feature 'a foca' as a playful animal. One of the most famous examples is the poem 'A Foca' by Vinícius de Moraes, which was turned into a popular children's song in Brazil. This cultural touchstone makes the word very familiar to Brazilians from a young age. Furthermore, if you are studying marine biology or visiting a science museum like the Oceanário de Lisboa, 'foca' will be a frequent term in the exhibits.
Pop Culture
The song 'A Foca' by Vinícius de Moraes: 'Quer ver a foca ficar feliz? É pôr uma bola no seu nariz.'

As crianças cantaram a música da foca na escola hoje.

News Context
Reports on climate change often mention 'focas' and their loss of habitat in the polar regions.

O telejornal exibiu imagens de uma foca resgatada no litoral.

No Oceanário, a foca é uma das atrações favoritas.

The most frequent mistake English speakers make with 'foca' is related to grammatical gender. In English, animals are often 'it', or we use 'he/she' based on sex. In Portuguese, you must use 'a foca' even if the seal is male. Saying 'o foca' is a common error that marks you as a beginner. Another mistake is the confusion with the verb 'focar'. While 'ele foca' (he focuses) is a valid phrase, it has nothing to do with the animal. Beginners might also confuse 'foca' with 'faca' (knife) or 'fogo' (fire) due to the similar initial consonant and vowel structure. Pronunciation is also a hurdle; the 'o' in 'foca' is an open vowel /ɔ/, similar to the 'o' in 'hot' (in some English dialects) or 'door'. If you close the 'o' too much, it might sound like a different word or simply unnatural. Finally, learners often confuse 'foca' with 'leão-marinho' (sea lion). While they look similar, a 'foca' is specifically the earless variety.
Gender Error
Mistake: 'O foca está nadando.' Correct: 'A foca está nadando.'

Não confunda a foca com o leão-marinho; elas são espécies diferentes.

Vowel Confusion
Confusion between 'foca' (seal) and 'faca' (knife). Context usually saves you, but precise vowels are key.

Ele foca nos estudos, mas gosta de ver a foca no mar.

A foca fêmea cuida do seu filhote com muita atenção.

When talking about marine mammals, 'foca' is just one part of the vocabulary. Similar words include 'leão-marinho' (sea lion), 'elefante-marinho' (elephant seal), and 'morsa' (walrus). While they all belong to the suborder Pinnipedia, they are distinct. In casual conversation, people might use 'foca' as a catch-all term for any seal-like creature, but being precise shows a higher command of the language. Another related term is 'lobo-marinho' (literally 'sea wolf'), which is commonly used in Portugal to refer to the Mediterranean Monk Seal. If you are using 'foca' as a verb, synonyms would include 'concentrar-se' (to concentrate) or 'priorizar' (to prioritize). Understanding these alternatives helps in both scientific and everyday contexts.
Foca vs. Leão-marinho
Focas have no external ears and crawl on their bellies on land. Leões-marinhos have small ear flaps and can 'walk' on their flippers.

O elefante-marinho é muito maior do que a foca comum.

Regional Variation
In Madeira, 'lobo-marinho' is the preferred term for their local seal species.

A morsa tem presas longas, ao contrário da foca.

Eu prefiro focar no meu trabalho agora para viajar depois.

豆知識

The term 'foca' has remained remarkably stable across Romance languages (French 'phoque', Spanish 'foca', Italian 'foca').

発音ガイド

UK /ˈfɔ.kɐ/
US /ˈfɔ.kə/
The stress is on the first syllable: FO-ca.
韻が合う語
boca troca moca pipoca toca fofoca doca roca
よくある間違い
  • Pronouncing the 'o' as a closed vowel like in 'go' (should be open).
  • Confusing the final 'a' with an 'o' (foco).
  • Nasalizing the 'o' unnecessarily.
  • Making the 'k' sound too soft.
  • Over-emphasizing the final 'a' (it should be light).
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レベル別の例文

1

A foca é preta.

The seal is black.

Simple adjective agreement with feminine noun.

2

Eu vejo uma foca.

I see a seal.

Use of indefinite article 'uma'.

3

A foca está na água.

The seal is in the water.

Verb 'estar' for temporary location.

4

Onde está a foca?

Where is the seal?

Interrogative sentence.

5

A foca é pequena.

The seal is small.

Feminine adjective 'pequena'.

6

Uma foca nada.

A seal swims.

Simple present tense.

7

A foca come peixe.

The seal eats fish.

Subject-verb-object structure.

8

Gosto da foca.

I like the seal.

Contraction 'da' (de + a).

1

A foca cinzenta dorme na areia.

The grey seal sleeps on the sand.

Descriptive adjectives.

2

Nós vimos muitas focas no gelo.

We saw many seals on the ice.

Plural noun and quantifier.

3

A foca brinca com a bola no circo.

The seal plays with the ball at the circus.

Prepositional phrase 'no circo'.

4

O filhote de foca é muito fofo.

The seal pup is very cute.

Compound noun structure.

5

As focas são animais marinhos.

Seals are marine animals.

Plural agreement.

6

Você já viu uma foca de perto?

Have you ever seen a seal up close?

Perfect tense usage.

7

A foca mergulha para buscar comida.

The seal dives to look for food.

Infinitive of purpose 'para buscar'.

8

A foca faz barulhos engraçados.

The seal makes funny noises.

Irregular verb 'fazer'.

1

A foca-monge é uma espécie protegida em Portugal.

The monk seal is a protected species in Portugal.

Passive participle 'protegida'.

2

Muitas focas perdem o habitat devido ao degelo.

Many seals lose their habitat due to the melting ice.

Cause and effect expression 'devido ao'.

3

É importante proteger a foca do Ártico.

It is important to protect the Arctic seal.

Impersonal expression with infinitive.

4

A foca consegue nadar em águas muito geladas.

The seal can swim in very icy waters.

Modal verb 'conseguir'.

5

O documentário explicou como a foca caça.

The documentary explained how the seal hunts.

Indirect question structure.

6

A pele da foca é coberta por uma camada de gordura.

The seal's skin is covered by a layer of fat.

Passive voice.

7

Se virmos uma foca, não devemos chegar perto.

If we see a seal, we should not get close.

Future subjunctive 'virmos'.

8

A foca é um mamífero que respira ar.

The seal is a mammal that breathes air.

Relative clause with 'que'.

1

A foca leopardo é conhecida por ser um predador ágil.

The leopard seal is known for being an agile predator.

Complex descriptive structure.

2

A população de focas tem diminuído drasticamente nesta região.

The seal population has decreased drastically in this region.

Compound past tense.

3

Os cientistas estudam o comportamento migratório da foca.

Scientists study the migratory behavior of the seal.

Scientific terminology.

4

Embora pareça lenta em terra, a foca é veloz no mar.

Although it seems slow on land, the seal is fast in the sea.

Concessive clause with 'embora'.

5

A foca utiliza as suas vibrissas para detetar presas.

The seal uses its whiskers to detect prey.

Specific anatomical terms.

6

O impacto da pesca excessiva afeta a dieta da foca.

The impact of overfishing affects the seal's diet.

Abstract noun usage.

7

As focas-comuns são frequentemente vistas em estuários.

Common seals are frequently seen in estuaries.

Adverbial frequency.

8

A conservação da foca exige esforços internacionais.

The conservation of the seal requires international efforts.

Formal vocabulary.

1

A foca-monge-do-mediterrâneo é um dos mamíferos mais raros do mundo.

The Mediterranean monk seal is one of the rarest mammals in the world.

Superlative construction.

2

A anatomia da foca está perfeitamente adaptada à vida anfíbia.

The seal's anatomy is perfectly adapted to amphibious life.

Advanced scientific adjectives.

3

Observou-se um aumento na taxa de natalidade das focas.

An increase in the birth rate of seals was observed.

Synthetic passive voice.

4

A foca desempenha um papel crucial na cadeia alimentar marinha.

The seal plays a crucial role in the marine food chain.

Idiomatic professional expression.

5

As restrições à caça da foca geraram controvérsia política.

Restrictions on seal hunting generated political controversy.

Complex noun phrases.

6

A ecolocalização não é uma característica das focas, ao contrário dos golfinhos.

Echolocation is not a characteristic of seals, unlike dolphins.

Contrastive structure.

7

A foca-caranguejeira possui dentes especializados para filtrar o krill.

The crabeater seal has specialized teeth for filtering krill.

Highly specific biological detail.

8

A resiliência da foca perante as adversidades climáticas é notável.

The seal's resilience in the face of climatic adversities is notable.

Abstract philosophical tone.

1

A gestão sustentável das populações de focas é um imperativo ético.

Sustainable management of seal populations is an ethical imperative.

High-level academic register.

2

A foca, enquanto predador de topo, sinaliza a saúde do ecossistema.

The seal, as a top predator, signals the health of the ecosystem.

Conjunction 'enquanto' for roles.

3

Investigações paleobiológicas sugerem que os ancestrais da foca eram terrestres.

Paleobiological investigations suggest that seal ancestors were terrestrial.

Subordinate clause with 'que'.

4

A foca-de-weddell consegue mergulhar a profundidades abissais.

The Weddell seal can dive to abyssal depths.

Advanced vocabulary 'abissais'.

5

O bilinguismo pode causar confusão momentânea entre a foca animal e o verbo focar.

Bilingualism can cause momentary confusion between the animal seal and the verb to focus.

Metalinguistic discussion.

6

A exploração comercial da foca foi um pilar da economia em certas regiões setentrionais.

Commercial seal exploitation was a pillar of the economy in certain northern regions.

Historical analysis register.

7

A foca-harpada é frequentemente o rosto de campanhas contra a crueldade animal.

The harp seal is frequently the face of campaigns against animal cruelty.

Metaphorical usage.

8

A morfologia hidrodinâmica da foca inspirou inovações na engenharia naval.

The seal's hydrodynamic morphology inspired innovations in naval engineering.

Cross-disciplinary terminology.

よく使う組み合わせ

foca-monge
filhote de foca
pele de foca
colónia de focas
caça à foca
foca amestrada
gordura de foca
foca-leopardo
foca-comum
show de focas

よく使うフレーズ

Bater palmas como uma foca

Foca no trabalho

Nariz de foca

Pele de foca

Foca-monge-da-madeira

Cara de foca

Equilíbrio de foca

Mergulho de foca

Grito de foca

Vida de foca

慣用句と表現

"Ficar focado"

To stay focused. Uses the verb root, but often associated with the word 'foca' by learners.

Tens de ficar focado no exame.

Neutral

"Bater palmas como uma foca"

To clap very loudly and excitedly, often used for children.

A criança bateu palmas como uma foca ao ver o bolo.

Informal

"Foca-monge"

While a species name, it is used idiomatically in Madeira to mean something rare and precious.

Achar esse livro foi como ver uma foca-monge.

Regional

"Ser um foca"

In Brazilian journalistic slang, a 'foca' is a beginner journalist.

Ele ainda é um foca na redação do jornal.

Slang (Brazil)

"Rir como uma foca"

To laugh in a loud, barking manner.

Eles riram como focas da piada dele.

Informal

"Foca na missão"

A modern slang expression meaning 'focus on the goal'.

Vamos lá, galera, foca na missão!

Slang

"Deslizar como uma foca"

To move smoothly and effortlessly through water or on ice.

O nadador desliza como uma foca.

Neutral

"Ter olhos de foca"

To have large, dark, expressive eyes.

Ela tem uns olhos de foca encantadores.

Poetic

"Dormir como uma foca"

To sleep soundly, often in a sprawled-out position.

Depois da festa, ele dormiu como uma foca.

Informal

"Fazer fofoca"

This is a false cognate; 'fofoca' means gossip, but it sounds like 'foca'.

Não venhas fazer fofoca aqui.

Informal

語族

名詞

動詞

形容詞

関連

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暗記しよう

記憶術

Imagine a seal (foca) trying to 'focus' (focar) on a ball on its nose. Foca and Focus start with the same letters!

視覚的連想

Picture a seal wearing glasses, trying to read a book. This combines the animal 'foca' with the concept of 'focar' (to focus).

Word Web

animal mar gelo mamífero focar barbatana peixe aquário

チャレンジ

Try to write three sentences where 'foca' is an animal and three where 'foca' is a verb. Can you do it without getting confused?

語源

From the Latin 'phoca', which was borrowed from the Ancient Greek 'phōkē'.

元の意味： Seal (the marine animal).

Indo-European (Latin/Greek roots).

文化的な背景

Be aware of the environmental sensitivity regarding seal hunting in certain cultures when discussing 'focas' in international contexts.

English speakers might expect 'seal' to have multiple meanings (like a stamp or a closure), but in Portuguese, 'foca' is strictly the animal or the verb form.

The song 'A Foca' by Vinícius de Moraes. The 'Pingu' cartoon (featuring a seal friend). National Geographic documentaries in Portuguese.
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