我认为他在时机远未成熟时就把这事说了出去是一种失策。I think he made a tactical blunder by announcing it so far ahead of time.熟透的水果不宜长途运输,但未成熟的水果却可以运往全世界。Ripe fruit does not travel well, but unripe fruit can be transported worldwide.给未成熟儿和足月新生儿输氧时...
照现在的情形,这条法律是难以执行的。The law as it stands is unworkable.一种按照能在计算机中执行的格式而存在的程序.A program in a form that can be executed on a computer.这项命令是谁执行的?By whom was the order executed?...