Perhalogenomethane
全卤甲烷
🗣️ 情景例句
If we're all prepared to recycle paper, thousands of trees could be saved every day.
如果纸能被循环利用，那么每天千千万万的树木就可得以挽救。
The mechanic repairs cars.
机工修理汽车。
The chaos was inconceivable.
房间里的紊乱状况是无法想像的。