lessened

At last the fury of the storm lessened.

风暴的猛烈程度终于降低了。

Listening to the speech through an interpreter lessened its impact somewhat.

演讲辞通过翻译的嘴说出来， 多少削弱了演讲的力量。

The flight to suburbia lessened the number of middle-class families living within the city.

随着迁往郊外的风行,内的中产家庭减少了。