lessen [ˈlesn]

以下由轻松背单词网站提供

vt.减少，减轻；缩小

If something lessens or is lessened, it becomes less strong

Regular exercise can help to lessen the pain. 经常运动有助于减轻痛感。
They've made great effort to lessen the noise of planes. 他们尽力减小飞机的噪音。