Tosate
对甲苯磺酸基团
🗣️ 情景例句
May I see you in my office?
你可以到我的办公室来一下么？
A wicked man is his own hell.
坏人作恶，自造地狱。
Born a free man, he was now in chains.
他生来本是个自由人，如今却戴上了镣铐。