sea urchin

• 海胆

sea urchin的英文翻译是什么意思，词典释义与在线翻译：

英英释义

Noun:

1. shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells

sea urchin的用法和样例：

例句

1. A fine,sharp projection,as a spine of a sea urchin or a crystal.
   针状物精细尖锐的突出物，如海胆的脊椎骨或水晶球。
2. The hard outer shell of sea urchins are commonly called tests.
   海胆的坚硬外壳通常被称为甲壳。