Aldehydene
乙炔
🗣️ 情景例句
It was love at first sight.
那是一见钟情。
Which one of those men is Mr. Taylor?
那些人中泰勒先生是哪个？
He had hardly had time to settle down when he sold the house and left the country.
还没等安顿下来就卖掉了房子，离开了这个国家。