North and South will remain separate entities within a commonwealth until the year 2000.南方和北方将作为一个政治联合体下的两个独立实体继续存在，直至2000年。The North American continent is made up of three great structural entities.北美大陆是由三个构造单元组成的.Are c...
The ultrasonics stopped and the light went soft.超声波停了，灯光也弱了一些。In medical and other applications of ultrasonics , a variety of electronic instrumentation is used.超声波在医学和其它应用中, 要使用许多电子仪器设备.Machine parts of irregular shape ...
流动表面上的亮条纹是高度反光的薄片的轨迹线.Light streaks on surface of flow are traces of highly reflective flakes.这家具是用贴柚木薄片的合板做成的.The furniture is made of plywood covered in teak veneer.她买了一包切成薄片的火腿.She bought a packet of shaved ham....