web claw是什么意思 web claw在线中文翻译

web claw

web claw 双语例句

1. The web membranes disappear, then appear the claws, which is called the claw type stage.
   爪型期是以趾同蹊膜退化爪甲出现为特征，胚胎从脐肠系膜动静脉进行物质及气体交换。

web claw