Ketones
n. 酮类（ketone的复数）
🗣️ 情景例句
Language is for the exchange of idea, for communication.
语言是用来交换思想，用来交流的。
We have opposite views on this.
我们在这上有相反的观点。
Companies that make telephones and computers and so on prefer to employ women.
生产电话、电子计算机等之类的公司，更喜欢雇佣女性。