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heavily polluted★★★★

嚴重污染

[例] For less heavily polluted water, similar equipment is used, except that the glass tubes are

coated with titanium dioxide.

對于那些污染不是很嚴重的水，也使用類似的設備，只是，玻璃管上涂有二氧化鈦。

heavy metals

重金屬

[例] Of all the heavy metals it is the only non-toxic.然而在所有的重金屬元素中，只有它是無毒的。

household rubbish★★★

生活垃圾

[例] Old electrical items are being thrown out with household rubbish because many people don't

know how to recycle them, a new survey reveals today.今天一項新的調查報告顯示， 許多人由于不知

道如何回收舊電器，便將它們與家庭垃圾一同丟棄。

household waste★★★

生活垃圾

[例] As more people move into cities, the problem of household waste is becoming severe.隨著更

多的人進入城鎮，家庭垃圾的問題正變得嚴重。

human caused disturbance

人為干擾

human activities

人類活動

[例] That said, one thing is clear: this is an era when everything is dominated by human ativities.這

就是說，有件事是非常清楚的:這是一個所有事物都由人類活動主導的時代。

hybrid cars

混合動力汽車

[例] Rare earths are also essential to a host of green machines, including hybrid cars and wind

turbines, 稀土基本上也是綠色機器的主角，包括混合動力汽車和風力渦輪機。

illegal hunting★★★

非法狩獵

[例] That is not for lack of llegal hunting in the park.這種情況的出現并不是因為在這個國家公園里缺

少這些非法捕獵。

impose curbs on smoking★★★

限制吸煙

[例] We should impose curbs on smoking.我們應該限制吸煙。

improve air quality★★★

提升空氣質量

[例] A lack of wind or rain over the past week hasn't helped improve air quality.上周缺少風雨的天氣

并沒有對空氣質量提高起到幫助作用。