lessen, diminish, or curtail
v reduce in scope while retaining essential elements v lessen, diminish, or curtail
any substance that lessens the purity or effectiveness of a substance
a changer who lessens the purity or effectiveness of a substance
v lessen the intensity of or calm v satisfy (thirst)
lessen the influence of
削弱…的影响
lessened
a. 减少的, 减弱的v. 变少( lessen的过去式和过去分词 ); 减少（某事物）
lessening
n. 减轻, 减少；变小
lessens
v. 变少( lessen的第三人称单数 ); 减少（某事物）
unlessened
a. 未减少的
