fair weather

基本解释

Even in fair weather, a very small electric field is present in Earth's atmosphere.
哈里森说，即使很好的天气情况下，地球大气层的电场依然存在。
The high-pressure weather system that brought fair weather and relatively clear skies to the United States also created this atmospheric art.
高压天气系统在把好天气以及晴朗天空带到美国的同时，也创造了这“大气层上的艺术”。
For all the Gulf birds and their habitats, conservationists are keeping their fingers crossed for continued fair weather that allows the protective boom to do its job.
对于所有墨西哥湾的鸟类与它们的栖息地，环保人士正在双手合十祈祷晴朗的天气持续下去，这样防护档栏就能继续发挥作用了。

Having made his economic reputation in fair weather, Mr Brown must now cope with more troubled times.
ECONOMIST: The credit crunch
Nothing builds a fair weather band wagon like a decade of dominance.
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Sellers from eastern Europe—who account for 30% of rough sleepers in the capital, according to Broadway—hawk the Big Issue in fair weather and foul.
ECONOMIST: The Big Issue magazine