Iron and steel with too much sulfur are red-short.

含硫过多的铁和钢都是热脆性的。

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Donna: This is Sandra. She's wearing a long red jacket with a short black skirt.

多娜： 这是桑德拉， 她穿的是一件红色长夹克和黑色短裙子， 外加白色外套。

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In two of the trials, the box was dark for 12 minutes and then illuminated for 48 minutes with either long-wavelength red light or short-wavelength blue light directed at the subjects' corneas. (Light color is determined by its wavelength.) The box was dark in a control experiment.

WSJ: The Secret to An Afternoon Energy Boost: Red Lighting

Some employers get round the most restrictive red tape by offering short-term contracts and part-time jobs.

ECONOMIST: Jobs

That was also the situation at the tops of the previous rallies of this year, as marked by the short-red lines on the chart.

FORBES: Investor Bullishness, Low Fear Level Hint At Market Top