Thioxene
二甲基噻吩
🗣️ 情景例句
When do you think you can return with street performances?
你觉得何时可以带来街头表演艺术的摄影？
He is a big figure in the business world.
他在商界是一位很有威望的人。
Are your grandparents still living?
你的祖父母还在么？