Mercaptotropone
巯基酮
🗣️ 情景例句
I have a tourist visa.
旅游签证。
I'd like to reconfirm my flight from london to tokyo.
我要再确认一下我从伦敦到东京的班机。
He had his supper, listened to the radio, read a newspaper and then went to bed.
他吃晚餐，听收音机，读报纸，然后睡觉。