lessen verb

ADV. considerably, greatly, significantly Eating a good diet significantly lessens the risk of heart disease. | gradually Time had gradually lessened the pain of her grief.

VERB + LESSEN begin to The noise began to lessen. | try to | tend to Too much background detail tends to lessen the impact of the central image. | help (to) Regular exercise can help to lessen the pain.

You can also check Google Dictionary: lessen (English, 中文解释 )

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