Monosystem
单系
🗣️ 情景例句
We'll spend many more weekends like this.
我们以后可以多度几次这样的周末。
He is listening to the strange noise.
他在倾听这奇怪的声音。
Some of this heat near the earth's surfact is used to make electricity.
靠近地表的一部分热量已被用来发电。