Thick clouds cover the top and snow can fall very hard.

山顶上浓云覆盖，而且雪可能下得很大。

That heavy, Venusian cloud cover diffuses most of the direct sunlight.

金星上厚厚的云层扩散了大部分的直射阳光。

So there's the cloud cover thunderstorm, another thunderstorm rolling on by.

有云层挡住了即将到来的雷暴，而此时另一个雷暴正在经过。

Cloud cover and glare from the seafloor also help keep the Bahamas seagrass hidden.

云层和海底的强光也有助于让巴哈马海草保持隐蔽。

It goes beyond the heat index taking into account sun angle, cloud cover and wind speed.

考虑到太阳的角度，它超过了热量指数，云量和风速。

SWOT's radar instrument can also read through cloud cover and darkness over wide areas of the Earth.

SWOT的雷达仪器还可以通过地球大片地区的云层和黑暗进行探测。

Clouds cover you and move all over the place.

乌云笼罩着你，到处移动。

For one, the unpredictable cloud cover over the tiny city-state.

其一， 不可预测的乌云笼罩着这个小小的城邦。

Then clouds covered the sky and the wind began to blow.

然后乌云遮天蔽日， 开始刮风了。

You'd see a cloud of photochemical smog covering the planet.

你会看到一团光化学烟雾笼罩着地球。