Membranae praeformativa
[医] 预成膜
🗣️ 情景例句
I love her very much. She's been a joy.
我很爱她。她是个讨人喜欢的孩子。
The many children of that family used to play together for hours.
那一家的孩子们常常大伙一起玩上几个小时。
Of all the planets in our own solar system,
在我们太阳系的所有行星中，