Nitroparaffin
[机] 硝基烷烃
🗣️ 情景例句
I wonder whether I might ask you a question.
我是否可以问你一个问题？
Where did you go yesterday?
你昨天去了哪里？
I like sitting by the Wayle on fine afternoons.
我喜欢在天气晴朗的下午到河边坐坐。