Embryoblast
[医] 成胚区
🗣️ 情景例句
I'll have her call you as soon as she comes back.
等她一回来， 我就请她马上回电。
One false move may lose the game.
一著不慎，满盘皆输。
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？