女孩们飙舞时，简洁直率；她们跳舞跳得轻快，但不是那种用俯冲摄像机、霓虹和干冰营造出来的“跳出贫民窟”的类型电影。

All-girl troupe battles have blunt immediacy; they're briskly edited, but lacking the swooping cameras, neon and dry ice of the dance-out-of-the-slums genre.

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几十年来，莫斯科的五月节游行都是在晴朗的蓝天下举行的，他们飞机上撒下干冰、碘化银和水泥粉来驱散云层。

For decades, MayDay parades in Moscow have taken place under clear blue skies, aircraft having deposited dry ice, silver iodide and cement powder to disperse clouds.

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一种可能的解释是春季逐渐强烈的光照使得这些干冰膨胀破裂，挤压悬崖边疏松的土和冰滚落下来。

One possibility is that the spring sunshine caused blocks of the ice to expand and break apart, sending loose dust and ice particles crashing down the slope.

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