What's more, in traditional Chinese medicine, "yin" and "yang" mean cold and hot energy.

而且，在中医里，“阴”和“阳”意味着能量的冷热。

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There is a combinated beverages called bubble tea, which consists of cold and hot drinks made from cassava balls and tropical juices.

有一种叫珍珠茶的组合饮料，其中有冷饮和热饮，是用木薯球和热带果汁混合而成的。

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The first working week of the new decade has been characterised by a curious mix of cold and hot air.

冷热气流的奇异交织成为新十年第一个工作周的特征。

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Do this when the weather is not too hot and not too cold.

VOA: special.2009.04.28

But the roles are reversed in the following passage, and this is where the text blows hot and cold.

但是在接下来的文章中角色互调了，这是文中描述冷热无常的情景。

耶鲁公开课 - 旧约导论课程节选

You see like the hot periods and the really cold periods.

你可以看到酷暑时节和寒冷时节。

关于伦敦的天气 - SpeakingMax英语口语达人

Like many of the day spas in the area, the men- and women-only treatment rooms offer inexpensive scrubs, steams, saunas, cold and hot pools.

BBC: Ethnic Los Angeles

Yet rather than quell his admirers' attempts to evade it, Mr Menem has blown hot and cold, cold and hot, on the notion that he might stand again this year.

ECONOMIST: Irresponsible in Argentina

Last year it produced 3 million tons (3.48 million tonnes) of cold- and hot-rolled sheet steel.

FORBES: Man of steel