crustacean
/krʌˈsteɪʃ(ə)n/📚 21292雅思托福A crustacean is an animal with a hard shell and several pairs of legs, which usually lives in water. Crabs, lobsters, and shrimps are crustaceans. 甲壳纲动物
noun [专属名词]甲壳纲动物
The blue part of the image is an isopod-a small crustacean.
图片中的蓝色部分是一个等足类动物---一种小型的甲壳纲动物。
crust(外壳) + acean(看做ocean， 海洋) → 海洋中的有壳动物 → 甲壳类动物
单词造句:
- 网友用“Crustacean”造句精选
- After a dozen years, the crustacean will grow to the size of a tractor tire. 十几年后，这种甲壳纲动物将长到拖拉机轮胎大小。
- Researchers found the 70-millimeter crustacean in the dark shale of an Oklahoma quarry. 研究者在俄克拉荷马采石场的页岩层发现这些70毫米的甲壳纲动物。