Ecofactor
生态因素
🗣️ 情景例句
We are going upstairs to set up Grandpa's room.
我们要上楼收拾一下爷爷的房间。
At noon I had lunch with a friend of mine.
在中午我与一个朋友一起吃了午餐。
That sounds strange.
这听起来很奇怪。