Onb
[医][=o-nitrobiphenyl]邻-硝基联苯
🗣️ 情景例句
I'll have to stand up and let the elderly lady have my seat.
我得起来把座位让给这个老婆婆。
When the phone rang, I was painting upstairs.
当电话铃响的时候，我在楼上画画。
The system has worked so well, that it has been adopted in other countries too.
由于这种制度行之有效，已被其他国家采纳。