相关单词近义词 slackening 动词slacken的现在..., laxation 松弛, relaxation 消遣反义词tightening, 上紧临近词loosen, loosening of egg, looseness factor, loosen up prices, Loosening shovel, loosen rock mass, loosening tiller, loosen the brake, loosen sb's cough, looseness of soil, Loosenable suture 返回 loosening