Malicacid
[化]苹果酸, 羟基丁二酸
🗣️ 情景例句
so that we can record our thoughts about the trip.
以便我们能录下旅行中的感想。
Welcome to our factory.
欢迎到我们工厂来。
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？