Caldera
n. 破火山口
🗣️ 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。
His apology didn't seem sincere.
他的道歉看起来不是真诚的。
The Ombudsman's prompt action at once put an end to an unpleasant practice which might have gone unnoticed.
司法特派员及时采取的行动，迅速制止了这一起不愉快的事件，不然这件事可能因未得到人们注意而不了了之。