慢速英语:WHO Warns 9 in 10 Live in High Air Pollution Areas(翻译)

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1. replace vt.代替; 替换; 把…放回原位
例句：The council tax replaces the poll tax next April.
市政税在明年4月将取代人头税。

2. realize vt.实现; 了解，意识到
例句：I do not realize that offends him.
我没有意识到已经冒犯他了。

3. nitrogen n.[化] 氮，氮气
例句：The faeces contain nitrogen and it is that which fertilises the desert soil.
粪便含氮，而正是氮可以肥化荒芜的土地。

4. incident n.事件，事变; 小插曲
例句：These incidents were the latest in a series of disputes between the two nations
这些事件是两国一系列争端中最近发生的几起。

5. announce vt. 宣布; 述说; 声称
例句：He will announce tonight that he is resigning from office
他将于今晚宣布辞职。