Nitrostyrolene
硝基苯乙烯
🗣️ 情景例句
Who is it?
是谁?
It must be rather difficult for us to push any sales if we buy it at this price.
如果我们按这个价格购买，将很能难推销。
Hi! Nice to meet you, Ling Feng!
很高兴见到你，。