Mononitration
一硝基化
🗣️ 情景例句
We will also need a letter of recommendation.
我们还要求一封推荐函。
Tell us about your post-purchase servicing.
告诉我们有关你们售后服务的情况。
Once he landed on the roof of a block of flats and on another occasion, he landed in a deserted car park.
一次，他把飞机降落在了一栋公寓楼的屋顶上；还有一次，降落在了一个废弃的停车场上。