词典释义：
the region of the atmosphere and outer space seen from the earth
天，天空
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hundreds of stars shining in the sky 数百颗星星在天空中闪闪发亮
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[mass noun]
Dorcas had never seen so much sky .多尔卡丝从未见过如此宽广的天空。
〈诗／文〉 天堂；天国之力
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the just vengeance of incensed skies .愤怒的天神们采取的正当报复。
〈非正式〉 把（球）击向空中
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he skied his tee shot .他开球击向空中。
hang (a picture) very high on a wall, especially in an exhibition
（尤指在展览中）把（画）高挂在墙上。
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out of a clear blue sky 见BLUE 1 .the sky is the limit informal there is practically no limit （to something such as a price that can be charged or the opportunities afforded to someone） 〈非正式〉 实际上没任何限制，一切都是可能的 -
to the skies very highly; enthusiastically 高昂地；热情地he wrote to his sister praising Lizzie to the skies . 他写信给他姐姐，把莉齐捧上天 -
under the open sky out of doors 露天，室外
"Middle English （also in the plural denoting clouds）, from Old Norse
