Dotment
氧化铝
🗣️ 情景例句
But somehow I got my days mixed up and didn't realize the mistake until now.
可是不知道怎么回事，我把日期弄错了，而且到现在才知道这个错误。
It's about time!
正是时候。
electronic goods and drug manufacturing.
-- 电子产品和药品的生产。