你不知道什么时候可能要清理滤镜或者镜头盖之类，因为在寒冷的环境中，镜头很容易变得潮湿。
Who knows when you might want to clean your filter or front element that has become moist from going in and out of cold temperatures?
既然高等生命能够在地球上形成，那么这项发现也可以佐证，在更加温暖潮湿的火星或者寒冷缺氧的金星上曾经存在过生命。
While giving insights on how higher life may have formed on Earth, the finding may also bolster the theory that life may have once existed on a warmer, wetter Mars or a cooler, clearer Venus.
当是寒冷而且非常潮湿，或者非常炎热和干燥的时候，就不要喷涂油漆。
Do not paint when it is cold or very humid and when its very hot and dry.
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