Phenylnitramine
[化] 苯硝胺; N-硝基苯胺
🗣️ 情景例句
Sure, but never before have we had payment in RMB.
当然可以，不过我们从来没有用过人民币付款。
He tries to button his own shirt,but he can't do it.
他试着扣好他的自己的衬衫，但是他不能做到。
New China was founded in l949.
1949年新中国成立。