Pentanal
戊醛
🗣️ 情景例句
I hope so, too.
我也希望如此。
Newspapers keep us in contact with the events of the world.
报纸是巨大的信息来源，互联网也不能取代它的地位。
Shortly afterwards, the police stopped the car and both men were arrested.
没过多久，警察就截住了那辆车，两个小偷都被抓住了。