VOCABULARY · MORPHOLOGY · PHRASE

四级词汇词组库

共 5100 个单词、34553 个词组。支持按首字母、词根、前缀、后缀检索，自然人声朗读，例句一键翻译，并可标记掌握程度。

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39653词条总量
0已掌握
0未掌握
0需强化

LEARNING STATUS

我的词汇掌握分类

用“已掌握、未掌握、需强化”建立可执行的复习队列；标记后统计会立即更新。

单词已掌握 0未掌握 0需强化 0
词组已掌握 0未掌握 0需强化 0
单词 5100 词组 34553
全部 ABCDEFGHIJKLMNOPQRSTUVWXYZ

符合条件：312 条，首字母 B

词组

be aware of

意识到；知道

用法：be aware of + 名词/that 从句

Few people are aware of the danger of using phones while walking.
词组

be based on

以……为基础

用法：A be based on B

The movie is based on a true story that happened in 1998.
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be interested in

对……感兴趣

用法：be interested in + 名词/doing

More and more young people are interested in traditional Chinese culture.
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be responsible for

对……负责

用法：be responsible for + 名词/doing

Each student is responsible for keeping the classroom clean.
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be supposed to

应该；被期望

用法：be supposed to do sth.

Students are supposed to turn off their phones during class.
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be used to

习惯于

用法：be used to + 名词/doing（注意区别 used to do）

She is used to getting up early even on weekends.
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be fond of

喜欢

用法：be fond of + 名词/doing

My grandfather is fond of taking a walk after dinner.
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be known as

作为……而闻名；被称为

用法：be known as + 身份/名称

Hangzhou is known as one of the most beautiful cities in China.
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belong to

属于

用法：belong to + 名词

This dictionary belongs to the reading room and cannot be taken out.
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break down

分解；发生故障；失败；毁掉；制服

用法：机器 break down

Our car broke down on the highway on the way home.
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baby boom generation

婴儿潮一代；生育高峰代

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back calculation

反算，反算法；反演计算；回算

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back cushion

靠背垫

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back on

背靠

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back on track

重回正轨；重上轨道；改过自新

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background information

背景资料；背景知识

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background radiation

背景辐射；[医]本底辐射

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backward extrusion

反挤压；反向挤压；逆向挤制

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backward integration

向后整合

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backward position

反转位置，回程位置

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bacterial colony

n. （细菌）菌落；细菌聚落

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bad reputation

n. 坏名声，臭名

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bad situation

糟糕的局面，处于劣势

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badminton court

羽毛球场

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badminton racket

羽毛球拍

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bakery and confectionery

食品厂

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balance equation

平衡方程，平衡方程式

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balcony door

阳台门

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balcony window

阳台窗

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balloon angioplasty

[外科学]气囊血管成形术；球囊成形术（等于percutaneous transluminal angioplasty）