lessened

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

演讲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,住在城内的中产家庭减少了。

The permeability of leaf cytoplasmic membrance and the content of MDA could be reduced, and the degree of cytoplasmic membrance peroxidization could be lessened by silicon.

硅能够降低盐胁迫下叶透性，使MDA含量减少，减轻过氧化程度;