Diazocyanide
重氮氰化物
🗣️ 情景例句
to save money for my college tuition.
存钱准备我的大学学费。
He is attending a conference now.
他正在出席会议。
Excuse me, please. Where's the nearest men's room?
劳驾，离这儿最近的男厕所在哪儿？