When driving in a car on a hot summer day, you may see what looks like shimmering water on the road, which, as science tells us, is really just a mirage, an illusion caused by the heating of the air.

在炎热的夏天开车时，你可能会在路上看到闪闪发光的水，但科学告诉我们，这其实只是海市蜃楼，是空气加热造成的幻觉。

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We wanted to reduce the cost of heating and air-conditioning.

我们想减少供暖与空调的开支。

《柯林斯英汉双解大词典》

The high speed development of heating ventilation and air condition technique injected vital force and energy for modem architecture.

暖通空调技术的高速发展为现代建筑注入了生命力和能量。

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The expansion incorporates a fully-automated assembly line for air handling units and four production lines for ductless air-conditioning and heating systems.

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There are big bucks to be made in surgical and medical fabrics-gross profits for surgical packs, gowns, caps, masks, sponges, bandages and tape run 25% to 30%-and in allergen- and pollution-trapping filters for heating and air-conditioning (50% to 60%), both made by 3M.

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He had also applied to a six-month training program for heating and air-conditioning technicians.

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