Nitropropane
硝基丙烷
🗣️ 情景例句
Well, it's hard work.
嗯 这种工作很辛苦。
The proof of the pudding is in the eating.
空谈不如实验。（实践出真知）
We had spent several days in a small town and visited a number of old churches in the vicinity.
我们在一座小镇上逗留了几天，参观了附近的许多古老的教堂。