Germ-layer
[医] 胚层, 生殖层
🧩 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
OK, we've got a movie.
好， 我们知道有部电影。
Why are you yelling?
你在嚷什么？
Before very long the parents will be complaining that the child is so secretive and never tells them anything,
不要很久，家长就会抱怨孩子守口如瓶，什么事也不告诉他们，