Once in a blue moon是英语的一个成语,含义是;难得有一次;千载难逢的时期。如:it is only once in a blue moon that you get an opportunity.你居然得到那么好的一个机会,真是千载难逢。据此,本文的标题可译:千载难逢今年易逢。且慢,...
Ranger, Luna, Surveyor, Lunar Orbiter, Apollo... to that illustriousroster of moon-going space vehicles add the name Clementine. Launched by a Titan ⅡG rocket in late Junuary, the