“胚层”概念、定义、翻译-科学时代

单词	胚层
释义	畜牧与兽医词汇手册 germ layer 胚层
随便看	jack post（采矿） jack ring jackrod jackrod jack roll jack roll jack rope jackscrew jack screw jackscrew jack screw jackscrew jackscrew jack-screwing jack-screw system jackshaft jack shaft jackshaft jackshaft jackshaft differential jackshaft differential carrier jackshaft drive pinion jackshaft housing jackshaft propeller shaft jacksmelt

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

germ layer