🧩 词语组成解析
🗣️ 情景例句
In North America when people meet each other for the first time.
在北美，当人们第一次彼此见面时。
The sanitary engineer collects garbage.
卫生队员收集垃圾。
One moment we were walking along the top of a hill and now we could see no more than about thirty metres ahead of us.
一时间我们还在山顶上行走，而现在30公尺开外的地方我们都看不清了。