Environment pollution
[法] 环境污染
🧩 词语组成解析
🗣️ 情景例句
If you're under twenty-one years of age ...
如果你还不到二十一岁……
If I had had time,I would have called you.
如果我有时间，我就打电话给你了。
I want Eric to play in a concert with me, on July 13th in London.
我想要艾瑞克和我一起在7月13日伦敦的音乐会上演出。