在某些场合，红色运动鞋或 T 恤可以显示一个人的身份；在其他场合则不然。

In some settings, red sneakers or dress T-shirts can convey status; in others not so much.

youdao

我不会买那些红色运动车的时候，我打我的中年危机。

And I won't buy one of those red sports cars when I hit my mid-life crisis.

youdao

他们对2004年雅典奥运会上的四个运动项目进行了调查研究，结果表明穿红色运动服或防护外套的运动员在比赛中获胜的可能性更大。

Their survey of four sports at the 2004 Olympic Games in Athens shows competitors were more likely to win their contests if they wore red uniforms or red body armor.

youdao

Mercury is a liquid metal, and mercury, the planet, is the fastest moving naked eye heavenly body. Mars, iron, why is Mars red?

水银是液态金属，水银，行星，是肉眼能看到的运动最快的天体,火星，铁，为什么火星是红色的？

麻省理工公开课 - 固态化学导论课程节选