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....
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...
Five leading fighter pilots have been captured and paraded before the media.有5名一流的战斗机飞行员被俘，并被在媒体上曝光。The pilots, however, were not as accurate as they should be.然而飞行员并不像他们该达到的水平那样精准。Many pilots are suffering from low mora...
He argues strongly for retention of NATO as a guarantee of peace.他强烈要求保留北大西洋公约组织以维护和平。The company needs to improve its training and retention of staff.公司需要改进对员工的培训和留用工作。They advocate the retention of our nuclear power pl...