They appear red. Light waves from an object speeding toward you will have shorter wavelengths.
VOA: special.2009.04.29
They were speeding the mail so that it didn't have to wait to sort it before it went on the train-- it was sorted while it was moving on the train.
发信速度很快,以致于在上火车之前不再需要,等着分类整理-,可以边坐火车边整理。
They include Christianity,same sex love and the excitement of speeding down a road.
VOA: special.2011.05.27
应用推荐