prostomium
英式音标：prostomium怎么读
美式音标：prostomium怎么读
prostomium词义
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n. [无脊椎] 口前叶
prostomium英文词源
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- prostomium (n.)
- 1870, Latinized form of Greek prostomion "fore-mouth, something before the mouth," from pro "before" (see pro-) + stoma "mouth" (see stoma).