这些现象导致火星“流汗”——由于星球变暖，地下的盐水从地表空隙渗透出来，并沿着表面斜坡流淌下来。
These scenarios would have Mars essentially sweating, with saltwater seeping from its pores and trickling down slopes as the planet warms.
空隙率波是工业生产和尖端技术领域里常见的一种波动现象，是两相流的本质特征之一。
Void wave is a normal wave phenomenon in industry and high-technology field. It is one of the most important characteristics of two-phase flow.
智齿常常不会“规矩”的顺着牙龈长出，而是在牙冠的一侧冒出一瓣牙龈。而“躲藏”在牙肉空隙之内细菌往往会造成这一区块出现红肿的现象。
PROBLEMS: Sometimes wisdom teeth don't erupt through the gums properly and a gum flap extends over the stuck underneath this flap, making the area inflamed.
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