Dithizone
双硫腙
🗣️ 情景例句
Thank you for calling us.
谢谢你打电话给我们。
Congratulations on the completion and opening of a new Beijing branch!
祝贺美国银行北京分行的建成和开业！
That one is only 90 fen. That's cheap.
那支笔只有九毛钱，很便宜。