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...
The witness at the trial had been carefully primed by defence lawyers.被告律师对出席审讯的证人事先作了仔细的指导。Arnold primed her for her duties...阿诺德事先让她熟悉了自己的任务。They have primed the explosive device.他们已使爆炸装置准备起爆。Two Jackals screeched and ...
Sarah lifted her hand and started twirling a strand of hair.萨拉抬起手来开始用手指缠绕一缕头发。The Strand is one of London's busiest and most affluent streets.斯特兰德街是伦敦最繁华、最富足的街道之一。She tried to blow a gray strand of hair from her eye...
The oligochitosan and chitobiose, produced by degrading chitosan, have exhibited some particular physiological activities and function.摘要壳聚糖降解制备的低聚壳聚糖和壳寡糖具有许多独特的生理活性....