v.解开( loosen的过去式和过去分词 );放松;松弛;(使)放松;
例句:
Her hair had loosened and was tangled around her shoulders.
她的头发打了开来,散乱地披在肩上。
The screw has loosened.
螺丝钉松了.
The Soviet Union's grip on Eastern Europe loosened.
苏联对东欧的控制已经放松。