B2 noun خنثی 1 دقیقه مطالعه

贝壳

bei ke /peɪ kʰɤ/
Practice it

A seashell is the protective, calcium-based outer layer of a mollusk, often found on beaches as an empty shell.

واژه در 30 ثانیه

  • Refers to the hard protective layer of mollusks.
  • Commonly found on beaches and used for decoration.
  • Composed primarily of calcium carbonate.

Overview

  1. 1概览：贝壳（Bèiké）是软体动物门生物的天然外骨骼，主要成分是碳酸钙。它不仅是生物保护自身免受外界伤害的堡垒，也是海洋生态系统的重要组成部分。2) 使用模式：在中文表达中，贝壳既可以作为具体名词指代实物，也可以作为语素构成词汇。当提到海滩时，人们常说“捡贝壳”；在形容外强中干时，有时会用到与贝壳相关的比喻。3) 常见语境：贝壳常见于旅游、自然科学、装饰艺术及文学比喻中。例如，在海边度假时，“捡贝壳”是经典的休闲活动；在科学研究中，贝壳的纹理和结构常被用来研究生物进化。4) 近义词辨析：与“外壳”相比，“贝壳”特指生物性外壳，而“外壳”范围更广，可指机械、设备的保护罩。与“甲壳”相比，“贝壳”更侧重于软体动物，而“甲壳”常指节肢动物（如蟹、虾）的硬壳。

مثال‌ها

1

孩子们在沙滩上开心地捡贝壳。

everyday

The children are happily picking up seashells on the beach.

2

这件艺术品是由精美的贝壳镶嵌而成的。

formal

This artwork is inlaid with exquisite seashells.

3

他收集了各种形状的贝壳。

informal

He collects seashells of various shapes.

4

研究人员通过分析贝壳化石来推测古代气候。

academic

Researchers analyze fossilized shells to infer ancient climates.

ترکیب‌های رایج

捡贝壳 pick up seashells
贝壳化石 shell fossil
收集贝壳 collect seashells

عبارات رایج

贝壳工艺品

seashell crafts

五彩斑斓的贝壳

colorful seashells

اغلب اشتباه گرفته می‌شود با

贝壳 vs 外壳

Refers to any protective outer covering, including machines or electronics. '贝壳' is strictly biological.

贝壳 vs 甲壳

Usually refers to the hard armor of arthropods like crabs or beetles. '贝壳' is specific to mollusks.

الگوهای دستوری

捡 + 贝壳 收集 + 贝壳 由 + 贝壳 + 组成

How to Use It

نکات کاربردی

The word '贝壳' is neutral and commonly used in both daily conversation and scientific writing. It is the standard term for the hard covering of mollusks. Avoid using it for inanimate objects like phone covers or machine housings.

اشتباهات رایج

Learners often use '外壳' when they specifically mean '贝壳'. Remember that '贝壳' implies a natural, biological origin. Also, do not confuse the radical '贝' with the actual noun '贝壳' when writing sentences.

Tips

💡

Use with verbs like 捡 or 收集

When describing activities on the beach, use '捡贝壳' (picking up seashells) or '收集贝壳' (collecting seashells). These are the most natural collocations.

⚠️

Do not confuse with general shells

Ensure you distinguish between biological '贝壳' and mechanical '外壳'. Using '贝壳' for a computer case would be incorrect.

🌍

Historical significance of seashells

In ancient China, shells were used as early currency, which is why many Chinese characters related to money contain the radical '贝' (e.g., 财, 购, 货).

ریشه کلمه

The character '贝' (bèi) originated as a pictograph of a shell. Historically, these were used as currency, linking the character to wealth and trade.

بافت فرهنگی

Seashells have a deep historical connection to Chinese economy, as they were the earliest form of currency. This is why many characters related to finance, such as '买' (buy) and '卖' (sell), contain the shell radical.

راهنمای حفظ

Think of the '贝' character as a shape resembling an open shell. Imagine a beach full of these shapes to remember the word.

سوالات متداول

3 سوال

贝壳是一个大范畴，指所有软体动物的硬壳；而海螺是贝壳的一种，特指腹足纲动物的螺旋状外壳。可以说所有的海螺壳都是贝壳，但贝壳不一定是海螺。

当软体动物死亡后，其身体组织会腐烂或被其他生物吃掉，只剩下坚硬的钙质外壳。这些空壳被海浪冲刷到沙滩上，就成了我们看到的贝壳。

除了作为自然装饰品，贝壳还可加工成纽扣、工艺品、首饰，甚至在古代被当作货币使用。在农业中，磨碎的贝壳粉还常被用作钙质添加剂。

خودت رو بسنج

fill blank

我们在海滩上捡到了许多美丽的___。

درسته! نه دقیقاً. پاسخ صحیح: 贝壳

贝壳指海滩上软体动物留下的硬壳，符合语境。

امتیاز: /1

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