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'd like to have this check turned to cash.
我想将这张支票换成现金。
Can you tell one from the other?
你能区别哪个是哪个吗？
concludes that it must be the gateway to world that lies beyond.
日落处想必是通往遥远世界的大门。