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...
He threatened to wreak vengeance on the men who toppled him a year ago.他威胁要对一年前扳倒他的人进行报复。He lost his balance, staggered back against the rail and toppled over.他失去平衡，往后趔趄了一下，撞到栏杆摔倒了。...the revolution which toppled the reg...
Ow ! It really hurts!哎哟,真疼 啊 !Ow! I just got a charley horse in my leg.哎唷！我的腿抽筋了。Ow! Don't do that!哎哟！别那样！OW I am going to tell a story,'said the Wind.“现在我要讲故事了! ”风说道....
He played ducks and drakes and soon blew up all his wad.他挥金如土,很快就花光了所有的钱.Wad the space with paper, please.请用报纸填塞空隙.Philpott tamped a wad of tobacco into his pipe.菲尔波特往烟斗里塞了一卷碎烟叶。...a wad of cotton soaked in cleaning flui...