Word · CEFR B2 · Frequency #8024
crab
螃蟹
核心释义
a sea creature with a hard flat shell, ten legs, and pincers
- 1.
眼有短柄,甲壳宽扁,腹部小且折于胸下,有螯的十足类动物
decapod having eyes on short stalks and a broad flattened carapace with a small abdomen folded under the thorax and pincers
- 2.
好争吵的牢骚鬼
a quarrelsome grouch
- 3.
巨蟹座出生的人
(astrology) a person who is born while the sun is in Cancer
爱发牢骚的人；坏脾气的人；巨蟹座出生的人；眼有短柄,甲壳宽扁,腹部小且折于胸下,有螯的十足类动物；好争吵的牢骚鬼；偏航
用法In use
We saw a small crab hiding under a rock at the beach.
用法提示：此处crab为可数名词，指动物螃蟹。
The crab moved sideways across the sand and then disappeared into a hole.
用法提示：crab在此指螃蟹，作主语。
She bought a crab at the market to cook for dinner.
用法提示：crab作名词，指螃蟹这种生物。
catch crabs
We went to the beach to catch crabs.
我们去海滩捉螃蟹。
be a crab
指好抱怨的人。
Don't be such a crab about the weather.
别对天气这么爱抱怨。
相关词与表达Connections
搭配Collocations
- blue crab
- 蓝蟹
- We caught several blue crabs near the shore.我们在岸边抓了几只蓝蟹。
- king crab
- 帝王蟹
- King crab legs are a popular delicacy.帝王蟹腿是一种受欢迎的美味。
- crab trap
- 捕蟹笼
- He set a crab trap near the dock.他在码头附近放了一个捕蟹笼。
- crab meat
- 蟹肉
- The salad is made with fresh crab meat.这份沙拉是用新鲜的蟹肉做的。
- crab cake
- 蟹饼
- Maryland is famous for its crab cakes.
学习提示Learner notes
记忆技巧Memory Tip
螃蟹（crab）的字母C和R像它的一对钳子，A和B像身体，组合成crab。
语境与语域Context & Register
“crab”作为名词表示“螃蟹”时，语域为中性，通常用于日常交流、烹饪、生物学等场合，泛指这种海洋甲壳动物。
语法说明Grammar Note
作'螃蟹'（动物）或'脾气乖戾的人'时可数，作'蟹肉'（食物）时不可数
发音与拼写Pronunciation & Spelling
All six words share the same ending sound /æb/ as in 'crab', so they are perfect rhymes.
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
Dictionary facts from AI_FALLBACK, ECDICT, WORDNET.