The new drug lessens the severity of pneumonia episodes.新药减轻了肺炎发作时的痛苦。Polluted water lessens crop yields.受污染的水源会降低农作物产量。Alcohol lessens resistance to diseases.含有酒精的饮料会减弱对疾病的抵抗力....

v.变少( lessen的第三人称单数 )，减少（某事物）...

lessens的音标：...

The new drug lessens the severity of pneumonia episodes.新药减轻了肺炎发作时的痛苦。Polluted water lessens crop yields.受污染的水源会降低农作物产量。Alcohol lessens resistance to diseases.含有酒精的饮料会减弱对疾病的抵抗力.Great alm _ giving , lessens no man's ...