Ulceratingdermatitis
溃烂性皮炎
🗣️ 情景例句
Don't count your chickens before they hatch.
小鸡孵出之后再算数。
None but a wise man can employ leisure well.
唯智者善于利用空闲。
It's true that he may fall behind the other students.
真的，他可能会落在其他同学的后面。