sea-urchin
英['siː'ɜːtʃɪn]
美['siː'ɜːtʃɪn]
- 海胆
详细释义
名词 sea urchin:
-
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。
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