Onb
[医][=o-nitrobiphenyl]邻-硝基联苯
🗣️ 情景例句
I have worked hard at my major subject.
我对主修课特别用功。
What do you want to be after school?
当你完成学业以后，你要做什么？
I can see the problem. What do you think is likely to happen?
我知道问题在哪了。你认为可能会出现什么情况呢？