Caproaldehyole
己醛
🗣️ 情景例句
Sorry about the inconvenience.
对不起添麻烦了。
Will you please wash the dishes?
请你洗洗盘子。
Were you in San Francisco at the time of the big earthquake in 1989?
1989年旧金山大地震时，你在那儿吗？