他从未表现出他前任的那种近乎傲慢的自信。He has never exhibited the self-confidence, bordering on arrogance, of his predecessor.晚上的演出很糟，所有人都缩手缩脚，显得很不自信。The evening show was terrible, with hesitant unsure performances from all.他们感到要为自己加油打气，自信...
Millions of people want new, simplified ways of interacting with a computer.数以百万计的人们想要新的简化方式实现人机交互。Proteins which have two separate but interacting sites are called allosteric proteins.这种具有两个不同而又相互作用位置的蛋白质叫做变构蛋白质.Protein...