N-UNCOUNT 莱卡（用于紧身衣和游泳衣等的强力弹性纤维） Lycra is a type of stretchy fabric, similar to elastic, which is used to make tight-fitting garments such as tights and swimming costumes. 莱卡（用于紧身衣和游泳衣等的强力弹性纤维） [trademark]