Onb
[医][=o-nitrobiphenyl]邻-硝基联苯
🗣️ 情景例句
That's true.
确实是这样。
Give in!
认输吧！
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。