Nitrosoethane
亚硝基乙烷
🗣️ 情景例句
What time is my lunch date with Bill Levine?
我与Bill Levine 约好的中饭时间是几点？
By the time we got there,the play had already begun.
等我们到那里，戏已经开始了。
Tim!
蒂姆！