Nitroazobenzene
[化] 硝基偶氮苯
🗣️ 情景例句
If you don't like it, I whis you would say so.
如果你不喜欢，我希望你能说出来。
We'll exchange presents.
我们要交换礼物。
but where had it come from?
但它是从哪儿来的呢？