Germ layer
[医] 胚层
🧩 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
Hi. How was lunch?
嗨 。午餐怎么样？
We usually deal on a 20% trade discount basis with an additional quantity discount for orders over 1000 units.
我们通常给予20%的商业折扣，外加订货1000件以上的数量折扣。
Those who never have to move house become indiscriminate collectors of what can only be described as clutter.
那些从来不必搬家的人们成了一种无所不容的收藏家。他们专门收藏那些只能被称作杂货的东西。