For the better part of a century, most biologists have been reluctant to use those words, mindful of a principle of evolution that says "evolution cannot run backwards".
在大半个世纪里，大多数生物学家都不愿使用这些词，因为他们牢记着一条进化论的原则，即“进化不能倒退”。
The timeless words and thoughts that you released today, could have easily traveled backwards in time, to create a situation for your back to start hurting, before you started complaining.
你今天吐露的永恒的话语和思想，可以轻易地回到过去，在你开始抱怨之前，创造一个境况让你的背开始疼痛。
Slowly begin counting out loud, backwards, starting with the number 100. Saying the words, deeper relaxed… And relax those numbers right out of your mind.
慢慢从100开始往回倒数，并且数出声音来……然后说：「更深更深……」之后，你就会放松到所有的数字都不记得了……
Seriously confirm their words can be sensitive, can accurately grasp your attempt. If they just cut back backwards, make your site uninteresting and contrived, so the money you wasted.
认真确认他们的言语能否灵敏，能否能精确的把握你的企图。假如他们只是把过场背的倒背如流，会让你的现场既无趣又做作，那么这份钱你可就白花了。
Anything going faster than light would, in other words, be moving backwards in time.
也就是说，只要有物体的速度超过光速，那么就能引起时间倒流，回到过去。
Anything going faster than light would, in other words, be moving backwards in time.
也就是说，只要有物体的速度超过光速，那么就能引起时间倒流，回到过去。
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