"We took isolated skin biopsies from laboratory mice, exposed those isolated skin biopsies to temperatures of 43 degrees or 48 degrees, and then we looked at what was being released from the skin under those conditions."

VOA: standard.2010.05.04

Unity was difficult. Being somewhat isolated, the inhabitants of each region developed a distinctive economic and cultural character.

团结很困难，它有一点孤立，每一个地域的居民都发展起来,有了各自经济文化特点。

耶鲁公开课 - 旧约导论课程节选