It was unbelievably dramatic as lightning crackled all round the van.闪电在货车周围炸开时，情景异常壮观。Suddenly a bolt of lightning crackled through the sky.突然一道闪电划破长空。There was frequent thunder and lightning, and torrential rain.雷电交加，大...
Keywords multimedia network teaching; network courseware; didactical resource.[关键词]媒体网络教学; 网络课件; 教学资源.The Computer - Assisted Instruction [ CAI ] has long been proved is an effective didactical means.计算机辅助 教学,作为一种新型的教学手段...
Shops in Ho Chi Minh City are stacked with goods.胡志明市的商店里堆满了商品。Books are often stacked in higgledy-piggledy piles on the floor.书本经常乱七八糟地堆在地板上。Boxes are stacked in every nook and cranny at the factory.盒子叠放在工厂的各个角落。...