Ectodermosis
外胚层形成异常, 外胚层增殖
🗣️ 情景例句
Don't move! Get down on the floor.
别动！趴到地上！
I wasn't serious, I meant it as a joke.
我并非有意，我只是开个玩笑而已。
I appreciate John's helping in time.
我感谢约翰的及时帮助。