loose /lu:s/ adj. 松的，松散的(［反］tight): loose soil松土；loose-fitting clothes 宽大的衣服 Her hair hung loose to her shoulders.她头发披散在肩上。
loosen /ˈlu:sn/ vi. & vt.1. 解开，松开：［考句］The little girl was so frightened that she just wouldn’t loosen her grip on my arm. 小姑娘吓得抓住我得胳膊不放。The rope loosened up and the heavy box fell to the ground. 绳子松了，那笨重的箱子落到地上。 2. 松弛：The runners are loosening up before the race.赛跑运动员在比赛前放松一下。I must take some exercise and loosen up my muscles. 我们必须运动一下放松放松肌肉。
