Ecosystems
n. <生>生态系统( ecosystem的复数形式 )
🗣️ 情景例句
If there's anything you need, please call me.
假如你们需要什么， 请打电话给我。
I think it's going to snow all day.
我认为整天将会下雪。
Yes, it is. Why don't you take off your sweater?
是啊，你何不脱了羊毛衫呢？