Sami herders follow the migrations of the reindeer as they move across northern Russia to cooler areas during the summer months.

夏季期间，萨米族牧人跟随着驯鹿迁徙的路线穿越斯堪的俄罗斯北部，到达更凉快的地区。

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He colored his room into green to make it cooler in summer.

他把房间刷成绿色以便在夏天更凉快一些。

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Sami herders follow the migrations of the reindeer as they move across northern Scandinavia and Russia from their winter grazing grounds to cooler areas during the summer months.

夏季期间，当萨米族牧人从冬季牧草地穿越斯堪的纳维亚北部和俄罗斯地区，跟随着驯鹿迁徙的路线到达更凉快的地区。

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The geothermal system heats and cools using piping that goes deep within the earth, where temperatures are warmer than outside air in the winter and cooler in the summer.

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Turning leaves, cooler weather and shorter days signal that summer is already behind us.

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At the end of the summer, when it gets cooler, they even close their swimming pool to humans for two weeks and let it go to the dogs.

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