Word · CEFR A1 · Frequency #2955

cap

/kæp/

noun

便帽；鸭舌帽

a close-fitting hat, either brimless or with a peak

1.
A close-fitting hat, either brimless or peaked.
紧贴的帽子,无檐或有檐。
2.
Capitalization.
资本化。
3.
a tight-fitting headdress
紧身帽子
4.
A special hat to indicate rank, occupation, etc.
用于表示等级、职业等的特殊帽子。
5.
A capacitor.
电容器。
6.
a top (as for a bottle)
瓶盖
7.
An academic mortarboard.
学术方帽。
8.
A capillary.
毛细管。
9.
a mechanical or electrical explosive device or a small amount of explosive; can be used to initiate the reaction of a disrupting explosive
机械或电气爆炸装置或少量炸药；可用于引发破坏性炸药的反应
10.
A protective cover or seal.
保护性盖子或密封。
11.
A caption.
字幕。
12.
A crown for covering a tooth.
用于覆盖牙齿的牙冠。
13.
The summit of a mountain, etc.
山顶等的顶峰。
14.
An artificial upper limit or ceiling.
人为设定的上限或天花板。
15.
The top part of a mushroom.
蘑菇的顶部。
16.
A small amount of percussive explosive in a paper strip or plastic cup for use in a toy gun.
用于玩具枪的纸条或塑料杯中的少量爆炸物。
17.
A small explosive device used to detonate a larger charge of explosives.
用于引爆更大炸药的微型爆炸装置。
18.
A place on a national team; an international appearance.
国家队的席位；国际比赛出场。
19.
The whole top of the head of a bird from the base of the bill to the nape of the neck.
从鸟喙基部到颈背的整个头顶。
20.
The uppermost of any assemblage of parts.
任何部件组合的最上部。
21.
Something covering the top or end of a thing for protection or ornament.
用于保护或装饰的顶部或末端覆盖物。
22.
A collar of iron or wood used in joining spars, as the mast and the topmast, the bowsprit and the jib boom; also, a covering of tarred canvas at the end of a rope.
用于连接桅杆和顶桅、船首斜桅和前帆桅的铁或木制环；也指绳子末端的沥青帆布覆盖物。
23.
A portion of a spherical or other convex surface.
球形或其他凸面的一部分。
24.
A large size of writing paper.
一种大尺寸的书写纸。

瓶盖；保护盖；防护罩；制服帽；职务帽；学位帽；牙冠

In use

He wore a red cap to protect his head from the sun.

他戴了一顶红帽子来遮阳。

Please put the cap back on the toothpaste tube after use.

用完后请把牙膏管的盖子盖回去。

The government imposed a price cap on essential goods.

政府对必需品设定了价格上限。

a cap

He bought a new cap.

他买了一顶新帽子。

wear a cap

“戴帽子”英语常用wear a cap。

She wears a cap to school every day.

她每天戴帽子上学。

Common mistakes

I need cap for the sun.I need a cap for the sun.

中文没有不定冠词，所以学习者容易遗漏'a'。这里cap是可数名词，需要不定冠词'a'。

Connections

Collocations

baseball cap: 棒球帽; He wore a red baseball cap.他戴了一顶红色棒球帽。
cap and gown: 学位帽和毕业礼服; Graduates wear cap and gown at commencement.毕业生在毕业典礼上穿学位服和戴学位帽。
swimming cap: 泳帽; Don't forget your swimming cap for the pool.去游泳池别忘了带泳帽。
flat cap: 平顶帽; The old man wore a flat cap.老人戴了一顶平顶帽。
knit cap: 针织帽; She knitted a warm knit cap.她织了一顶保暖的针织帽。

Idioms & figurative uses

Learner notes

Memory Tip

cap发音像“开普”，想象打开一瓶可乐，瓶盖（cap）就是小帽子，戴在瓶头上。

Context & Register

Pronunciation & Spelling

All listed words share the ending sound /æp/ and rhyme with 'cap'. Beware words like 'cape' (/keɪp/) and 'cup' (/kʌp/) which look similar but have different vowel sounds.

High-value vocabulary

该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。

Usage priority

Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。

Learn the forms together

页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。

Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.

cap