Nitrosoketones
[化] 亚硝基酮
🗣️ 情景例句
He forgave me for losing his notebook.
他原谅我遗失他的笔记本。
Bill was very jumpy as he waited for the phone to ring.
贝尔忐忑不安地等着电话来。
Is this a pen?
这是一支钢笔吗？