Tetrachloroanthracene
四氯蒽
🗣️ 情景例句
I think that you're very successful
我认为你事业有成
It's nice to see you again. Have you changed jobs?
又见到你很高兴。你换了工作了吗？
Why can't you do something about it? Can you change it?
干吗你不想点办法呢？你能换掉它吗？