If a stratum of air saturated with moisture meets a very cold one, the fog begins to freeze, and becomes specks of snow.

如果含水量达到饱和状态的空气遇到了非常冷的另一团空气，空气中的原先呈雾状的水分就开始凝结变成小的雪粒。

The drops freeze before they hit the ground, producing snow.

水滴在落地之前就结冰了，形成了雪。

Imported double mirror, looking to target fast high-resolution CCD, quick freeze image without snow adapt to any occasion, subtle delicate, transmitting and receiving distance of 500 meters.

采用进口双镜，寻找目标快高清晰度CCD，快速定格图象无雪花点适应任何场合，隐蔽精致、发射接收距离500米以上。

One more tip — I can melt snow, but I can also be used to freeze ice cream.

还有一个提示？我能融化雪，但是我也能被用来冻结冰激凌。

Fresh snow can melt and re-freeze within the snow pack and it's this change of structure that can lead to an avalanche.

新下的雪可以在积雪中融化再凝固，这种结构上的变化会引起雪崩。

The remaining snow began to freeze again.

残留的雪又开始结冰。

Your sunglasses will get misted and their metal rim will freeze the bridge of your nose but bright sunshine and white snow will make you screw your eyes.

太阳眼睛会被附上薄雾，以及金属边框会把你的鼻梁冻伤，但刺眼的阳光和白雪会灼伤你的眼睛。

When melting snow crystals or raindrops fall through very cold air, they freeze to form small particles of ice, called sleet.

当融化的雪晶或雨滴落下时穿过非常冷的空气，它们会冰冻成很小的冰粒子，称作冰雨。

The move follows two successive severe winters in Scotland. Prolonged heavy snow and a big freeze shut down major roads, airports and schools across the country.

苏格兰在过去两年连续遭遇极端寒冬，大雪和冰冻致使全国主要道路、机场以及学校关闭。

The nuts were her food in winter, and when snow and ice came, she crept amongst the leaves like a poor little animal that she might not freeze.

冬天，她就以这些坚果为食。在冰天雪地的日子里，她只能像可怜的小动物一样，爬进那些树叶里取暖。