The German air controllers at Frankfurt Airport are renowned as a short-tempered lot.

德国法兰克福机场的空管们是出了名的急脾气。

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Flat tempered safety glass is kind of high-strength safety glass obtained by heating common glass to softening point and then air cooling it abruptly.

水平钢化安全玻璃是将普通玻璃加热至软化点时，然后急剧风冷所获得的一种高强度安全玻璃。

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The heating and cooling systems use air that has been earth-tempered drawn into a large tube and passed through the ground, which has a consistent temperature that is cool in the summer and warm in the winter.

BBC: The futurist: The sustainable Spaceport America