Azoethane
[化] 二乙基偶氮
🗣️ 情景例句
Mainly for the sports meet and also for sightseeing, I think.
主要是来参加运动会，我想也是为观光而来。
That was a lousy movie.
那电影糟透了！
Excuse me! Is this your pencil-box?
请问，这是你的铅笔盒吗？