Nitrosoethane
亚硝基乙烷
🗣️ 情景例句
Yes. When you get on the transfer bus, just show the bus driver this ticket stub.
要。当你上了转乘的公共汽车时，就把这张票根给司机看。
Please answer the door.
请去开门。
Yes, we have to double it.
是的，我们必需加倍。