What does the theory of plate tectonics maintain?这板块构造学说的理论讲些什么?Geologists describe the motion of the plates and the consequences of such motion as plate tectonics.地质学家把板块运动及这种运动所造成的后果看作是板块构造运动.The idea of sea - floor sp...
Cocktails at the Plaza was a nightly ritual of their sophisticated world.到广场饭店喝鸡尾酒是他们这个高雅时髦的圈子中的人每晚必做的事情。For months at a time, air raids were a nightly occurrence.一度有几个月，每天晚上都会发生空袭。A new and younger crowd filled the bar ...