Mesoectoblast
[医] 中外胚层
🗣️ 情景例句
I love animals.
我喜欢动物。
He is very nervous, so he takes a lot of pills.
他非常的神经质，所以要服很多药
Ever since, people have had difficulty in deciding whether the craft should be ranged among ships,
自那以后，人们很难决定是否应该将这种运载工具列为轮船、