They were alone on sixty-four million square miles of ocean.

VOA: special.2011.05.04

It varies with the square of distance so it goes - in order to go twice as far it takes four times as long.

速度是与距离的平方正相关的--,如果要扩散两倍的距离要多花四倍的时间

耶鲁公开课 - 生物医学工程探索课程节选

He rescued this melody, which was in danger of becoming excessively four-square, by doing what?

他拯救了这段旋律,它原本过于直白了,怎么做的呢

耶鲁公开课 - 聆听音乐课程节选