sea urchin

sea urchin读音音标

英 [si: ˈɜ:tʃɪn]

美 [si ˈətʃɪn]

sea urchin意思解释

n.

海胆；

变形

复数：sea urchins

英英释义

n.

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

双语例句

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。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。