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
What are the chances of my getting on the next flight?
我登上下一次航班的可能性有多大？
If the blind lead the blind, both shall fall into the ditch.
问道于盲，无益于事。
You'll have it tomorrow at the latest.
最晚明天就能拿到了。