Ketal
酮缩醇, 缩酮
🗣️ 情景例句
I don't think this is my meal.
我想这不是我点的。
To type a term paper
用打字机打期末报告
he saw two thieves rush out of a shop and run towards a waiting car.
看到有两个小偷从一家商店里冲出来，奔向等在那里的一辆汽车，