而且所有声频均有指向性,声频愈高, 指向性愈强.The higher the acoustic frequency is, the stronger its directivity is.它表现在空间生产力发展的继承性 、 指向性 、 加速性和国际性四个方面.The inheritance that its performance grows in dimensional productivity, directivity, accel...
鞋子的鞋帮、鞋跟和鞋舌部位都有衬垫，以增加舒适度。The shoe has padding around the collar, heel and tongue for added comfort.饭菜摆放在擦得铮亮、铺着衬垫的餐桌上。The food is served on polished tables with mats.我可以告诉你我的内衣一直装衬垫的。I can tell you I always padded my bra...
各公司现在都急切地想要留住招聘来的员工。Firms are now keen to hold on to the people they recruit.公司一直竭力想留住自己的销售团队。The company has been struggling to hang onto its sales force.公司似乎无力留住职员.The company seems to be incapable of hanging on to its...