What happened in Istanbul was a unique event, it never happened before and never will again.
伊斯坦布尔发生的事是个特例，这种事以前没出现过，今后不会再发生了。
Unless we make a run up there, double-time, we'll never make it down again to our camp before nightfall and never.
如果我们不一口气急步跑上去，我们绝不能在傍晚前再回到我们的营地，且绝不能在明晨之前下到我们那停放在木屋处的车子，较。
Today I'm going to visit my relatives whom I have never, ever (and would sadly probably would never meet again in a long, long time) met before.
我们今天主要是见我的一些远房亲戚(以后能不能再见到还是一个问题)。
By the way you put the elements of an image together in a frame show us something we have never seen before and will never see again.
你把图像的各种元素组合在一起的方式就想我们展现了我们未曾见过的东西。
Daisy began to sing with the music in a husky, rhythmic whisper, bringing out a meaning in each word that it had never had before and would never have again.
黛西跟着音乐沙哑而有节奏的低声唱了起来，把每个字都唱出一种以前从未有过、以后也决不会再有的意义。
Even in the same field, one can behold the changing beauty with every hour — a picture which is never seen before and shall never be seen again.
即使在同一块田野上，他会看到时时变换的图画——这图画过去不曾见过，今后也再不会看到。
Even in the same field, one can behold the changing beauty with every hour — a picture which is never seen before and shall never be seen again.
即使在同一块田野上，他会看到时时变换的图画——这图画过去不曾见过，今后也再不会看到。
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