However, momentum is always conserved in a collision, whether or not the collision is elastic.然而, 不管碰撞是不是弹性的, 在碰撞过程中动量总是守恒的.The elastic interaction between a wedge disclination dipole and an interfacial crack was investi...
Pull the elastic tight and knot the ends.把橡皮筋拽紧，两头打上结。This skirt needs some new elastic in the waist.这条裙子需要换一根松紧腰带。I stretched that piece of elastic to its fullest extent.我将这条橡皮筋拉长到最大限度....
Names of the dead and injured are being withheld pending notification of relatives.在正式通知亲属前，伤亡人员名单暂时保密。Police withheld the dead boy's name yesterday until relatives could be told...警方昨天拒绝在通知亲属前透露死亡男孩的姓名。A fundamenta...
The authorities took time to pronounce their verdicts.当局斟酌权衡再三才宣布他们的决定。There was an appeals process, but appeals rarely resulted in reversed verdicts.上诉程序提供的要求复审的途径不足够.The children involved may reach adulthood before the...