tightness/ˈtaɪt.nəs/名词紧身,束身the tightness of the waistband紧身的腰带紧度;严密度Check the tightness of the screw.检查下螺丝的松紧度。比分接近;势均力敌the tightness of the presidential race总统竞选势均力敌难分高下想跟读,去练习