这个通常发生在冬天的山谷里。当较重的冷空气移至山谷里，暖空气同时亦在山顶经过时产生了温度逆增现象，结果生成了谷雾，而且可以持续数天。
雾谷的居民经常到大厦底层的超市或药店购物。
Residents of Foggy Bottom frequent the complex to shop in the supermarket or pharmacy on its lower level.
有时候，夏雾弥漫了全谷，草地就变成了白茫茫的大海，里面露出来几棵稀稀落落的树木，就像海中危险的礁石。
Or perhaps the summer fog was more general, and the meadows lay like a white sea, out of which the scattered trees rose like dangerous rocks.
雾谷的居民经常到大厦底层的超市或药店购物。
Residents of Foggy Bottom frequent the complex to shop in the supermarket or pharmacy on its lower level;
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