Ethavan
乙基香草醛
🗣️ 情景例句
That's the way it goes.
现实就是这样。
It is easier to descend than to ascend.
下降容易上升难。
Don't worry. But you'd better take him to the nurse, and she'll give him some pills.
放心吧。你最好带他到护士那，她会给他一些药片的。