主动: initiative放松: relax; slacken; loosen; unca ...操练: drill主动放松: active relaxation被动放松训练: passive relaxation exercise松弛操练,放松运动: relaxation exercise挂车制动放松阀: trailer braking relax valve主动放大系统: active augmentation system渐进性主动操练: graduated active exercise操练: drill; practice 士兵们在兵营练兵场操练。 the soldiers were at drill in the barrack-yard.; 操练椅 plint放松: relax; slacken; loosen; uncage 放松警惕 relax one's vigilance; 放松世界观的改造 slacken one's efforts to remould one's world outlook; 我必须运动一下, 放松放松肌肉。 i must take some exercise and loosen up my muscles.; 放松臂 release arm; 放松功 psychosomatic relaxation; 放松活动 [体育] relaxation exercise; limbering-up exercise 操练队: drill team操练椅: plinth操练员: driller坏操练: mechanical drills钻孔,操练: drill主动: 1.(能够造成有利局面) initiative 主动作某事 do sth. on one's own initiative; do sth. of one's own accord; 争取主动 try to gain the initiative; contend for the initiative; 主动为人们做好事 be active in doing good to men; 主动求婚[爱尔兰] take the initiative in courtship; 她不愿意主动这么做。 she does not like to do so from her own initiative. 他工作很主动。 he displays great initiative in his work.2.[机械工程] driving; 主动报价 unsolicited offers; 主动导航 active homing; 主动舵 active rudder; main rudder; 主动滑轮 driving pulley; feed pulley; 主动皮带轮 drive pulley; 主动注意 [心] active attention不放松: stick 2发行,放松: release放松,缓和: defuse放松,松弛: nat relax放松,轻松: at ease放松,停顿: letup放松,休息: sit back放松;宽厚: relent