Mesendoderm
[医] 中内胚层
🗣️ 情景例句
How long will it take for my mail to reach its destination?
我的信件到达目的地要多久？
Flowers are blooming.
花朵绽放了。
On the third lap, the Class 3 and Class 1 runners both ran very fast.
在跑第三圈时，3班和1班的运动员都跑得非常快。