elasticin弹性硬蛋白elasticadj.灵活的；有弹性的；可变的n.橡皮圈；有松紧的东西elastic emulsion弹性乳液elastic tiebacks弹力结扎牵引elastic behavior弹性Elastic elements弹性元件elastic thin rod弹性细杆elastic coupling弹性联轴节elastic membrane弹性膜elastic P-wave弹性纵波elasticviscosity弹性黏度elastic hardness弹性硬度