Ethynylbenzene
[化] 乙炔基苯
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
He who lives by hope will die by hunger.
靠希望生活的人将饥饿而死。
she has to help with the washing.
她得帮忙洗衣服。