One day Murlock returned from hunting in a deep part of the forest.

VOA: special.2009.10.31

I think more maturity can be one of the effects, one of the products of undergoing an endless, a ceaseless activity of Paiddeia, of deep education, because moral maturity comes from courage.

我认为道德成熟是不间断的，深层次的教育活动,的体现和产物，因为道德成熟来源于勇气。

普林斯顿公开课 - 人性课程节选

It involves putting a needle, a fairly large needle into usually one of the pelvic bones and collecting marrow from which is tissue that's deep inside those bones.

先要用针头,相当大的针头刺进你的盆骨,然后进行收集,这些在骨头深处的骨髓

耶鲁公开课 - 生物医学工程探索课程节选

One is a kind of deep-water black coral called Leiopathes.

VOA: special.2009.05.12

Now, for a long time in American scholarship and in American classrooms one of the deep mythologies about this whole story of the era of the American Civil War in the Old South is that the Old South's plantation economy was dying out.

在很长的一段时间中,美国学术界和美国课堂,对于这个时代内战前的南方历史,存有一个疑点,就是当时南方的种植园经济正在逐渐衰退

耶鲁公开课 - 美国内战与重建课程节选