• 词汇精选:lessen的用法和辨析 一、详细释义:v.(使)缩小;(使)减少;(使)减轻例句:Thesemeasurescan'thelptolessentheexistingtension.这些措施不能帮助缓和现在的紧张局势。例句:There'snothingIcansaytolessenyourunhappiness,butyoumusttakecareofyourself......