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....
Their friendship remained purely platonic.他们保持着纯粹的友谊关系。She values the platonic friendship she has had with Chris for ten years.她珍惜自己和克里斯之间长达10年的柏拉图式的友情。Hostesses are not prostitutes; they are more like paid, platonic gir...
Derricks are scattered here and there on the boundless plain.在一望无际的原野上散布着一座座井架.Lofty derricks dot the landscape in an oil field.高耸的井架点缀着油田的景色.Steel derricks rose to meet our eyes as we drew nearer to the oil fields.我们快到油...
海湾危机让这些问题备受关注。These issues were brought into sharp focus by the Gulf crisis.海湾地区拥有全世界65％的石油储藏。The Gulf has 65 per cent of the world's oil reserves.再往南走有一些这个岛上尚未被破坏的迷人小海湾。Further to the south are some of the island&#...