For years the teaching of acting has been shrouded in mystery.多年以来表演教学一直蒙着神秘的面纱。Mist shrouded the outline of Buckingham Palace.雾霭蒙蒙，白金汉宫若隐若现。It is an elaborate ceremony, shrouded in mystery.仪式是精心筹划的，笼罩着一层神秘的色彩。...
Neanderthal man was able to kill woolly mammoths and bears.尼安德特人能够捕杀浑身覆毛的猛犸象和熊。Mammoths were herbivorous mammals.猛犸是食草性哺乳动物。Which was just the thing to help mammoths keep their cool.这恰好帮助了猛犸在冰河时代保持冷静,从而幸存下来....