They have evolved special "heaters" of modified muscle tissue that warm the eyes and brain, maintaining peak performance of these critical organs.

它们进化出了一种特殊的“加热器”，由经过改造的肌肉组织构成，可以温暖眼睛和大脑，使这些关键器官保持最佳状态。

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They liveyear-round in unheated warehouses and artists’ lofts and farmhouses, using onlyspace heaters and stoves to stay warm.

他们终年住在没有供热的仓库，艺术阁楼以及农仓里，只用加热器和炉子来加热取暖。

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Those heaters can warm up these classrooms in the winter and provide hot water in other seasons.

这些加热器可以在温暖的冬季，这些教室和其它季节提供热水。

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Until about two weeks ago, the family had been living without heat or hot water, relying on electric heaters to keep warm and showering at friends' homes.

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Heaters, blankets, warm clothing and heating fuel are some of the most pressing needs for the winter months, in addition to food, shelter and mattresses.

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The board therefore recommended that the engine heaters be switched on earlier than planned, to ensure that the engines are warm enough to work properly.

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