The shower cloud with dark, ragged base and heavy, localized rain, hail, or other severe weather.
这种阵雨云的底部阴暗不规则，常带来大型降雨，局部降雨，冰雹或者其他恶劣的天气状况。
2
Such a man came upon him, like a ghost, at noon in the July weather, as he sat on his heap of stones under a bank, taking such shelter ashe could get from a shower of hail.