Ethanal
乙醛
🗣️ 情景例句
Good-bye, Susan.
再见， Susan。
I didn't notice you were wearing your new hat.
我没注意你戴了新帽子。
In another chest, which contained the belongings of a ship's officer, there was an unfinished letter which had been written on March 14th, 1943.
另一只海底沉箱中装的是船上一位军官的财物，其中有一封写于1943年3月14日的信，但没有写完。