那样的一次失败会令你警觉起来，开始思考。A defeat like that makes you sit up and think.我尽量不让自己紧张，或者表现得非常警觉。I tried not to tense up, or become obviously wary.他们政治上非常警觉。They are politically very aware....
In graphite sheets, carbon atoms bond together in rings.石墨层中的碳原子相互连接形成碳环。More normal auroral rings had been previously imaged around Saturn.更多正常的土星环行极光被拍摄到.When the bell rings, more than 1,000 children spill from classro...
这些发展早在十多年前的萌芽阶段就已预见到。These developments were foreseen in embryo more than a decade ago.树上的萌芽是春天来临的征兆.Buds on the trees are a sign of spring.今年树萌芽得早.The trees are budding early this year....