Word · Frequency #27348
carapaces
甲壳;壳
carapaces is the plural of carapace.
核心释义
the hard outer shell that covers some animals, such as crabs and turtles
- 1.
骨或几丁质构成的坚硬保护性覆盖物,尤指覆盖动物背部者。
A hard protective covering of bone or chitin, especially one which covers the dorsal portion of an animal.
- 2.
某些生物(如节肢动物和乌龟)的坚硬外壳或甲壳
hard outer covering or case of certain organisms such as arthropods and turtles
- 3.
起保护作用的东西。
That which protects.
骨或几丁质构成的坚硬保护性覆盖物,尤指覆盖动物背部者。;某些生物(如节肢动物和乌龟)的坚硬外壳或甲壳;起保护作用的东西。;甲壳;壳;[医] 甲
用法In use
The crab's carapace protects its soft body from predators.
用法提示:这里“carapace”作名词,指螃蟹等节肢动物背部的坚硬甲壳。
Scientists measured the turtle's carapace to estimate its age.
用法提示:此处“carapace”为可数名词,指龟类背部的坚硬外壳。
Some beetles have a hard carapace that shields their delicate wings.
用法提示:句中“carapace”作名词,表示某些昆虫身上的坚硬外壳。
the carapace of {noun}
The carapace of the turtle is hard.
乌龟的甲壳很硬。
have a carapace
Many crustaceans have a carapace covering their body.
相关词与表达Connections
搭配Collocations
- hard carapace
- 坚硬的甲壳
- A hard carapace protects the scorpion's body.坚硬的甲壳保护蝎子的身体。
- turtle carapace
- 龟的背甲
- A turtle carapace is made of bones and keratin.龟的背甲由骨骼和角蛋白构成。
- carapace length
- 甲壳长度
- The researchers compared the carapace length of males and females.研究人员比较了雄性与雌性个体的甲壳长度。
- shed its carapace
- 蜕去甲壳
- The lobster sheds its carapace as it grows.龙虾在生长过程中会蜕去甲壳。
- bony carapace
- 骨质甲壳
学习提示Learner notes
记忆技巧Memory Tip
联想:carapace 前半像 carry(背负),后半是 pace(步伐);乌龟背着壳慢步走,背上的甲壳就是 carapace。
语境与语域Context & Register
语域:formal 常见场景:zoology、biology、literary writing 通常用于生物学或动物学等专业语境,指龟、蟹等动物的坚硬甲壳;也可在文学或比喻性写作中指起保护作用的事物或屏障。总体上属于书面正式用词,日常口语中较少使用。
语法说明Grammar Note
可数名词,复数形式为carapaces
发音与拼写Pronunciation & Spelling
face、pace、place、space、brace、trace 都以 -ace 结尾,读作 /eɪs/,与 carapace 的词尾 /peɪs/ 发音一致;但 carapace 重音在首音节,所以这些单音节词并不与之严格押韵。注意 palace /ˈpælɪs/、surface /ˈsɜːrfɪs/ 等同以 -ace 结尾的词读作 /ɪs/ 或 /əs/,是形似而音不同的常见陷阱。
一起学习词形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 ECDICT, WIKTIONARY.