✅ 同义词
🗣️ 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。
I played upstairs yesterday.
我昨天在楼上玩。
The play may begin at any moment.
戏随时都有可能开始。