Germ layer theory
[医] 胚层学说
🧩 词语组成解析
layer
['leiə]
n. 层，层次;膜;[植]压条;放置者，计划者;
vt. 把…分层堆放;借助压条法;生根繁殖;将（头发）剪成不同层次;
vi. 形成或分成层次;[植]通过压条法而生根;
🗣️ 情景例句
I think your idea of working at home is perfect.
我觉得你在家里工作的主意太好了。
Would you hold the line, please, I will find out his number for you.
请你不要挂断，我替你找他的号码。
even after she had been sadly disillusioned by Bessie.
即使在贝西大大地伤她的心之后，她还在找，一直到她死去。