These are linguistic terms. But of course, the people who spoke them, especially in the early years, tended to be part of a relatively narrow collection of people, who intermarried with each other chiefly, and therefore developed common cultural characteristics.

这时的希腊语主要是一些语意项,不过当然,那些讲希腊语的人,特别是在早期,是一个相对小范围的人群,他们主要在族群内部通婚,由此,发展出相近的文化特征

耶鲁公开课 - 古希腊历史简介课程节选

We talked about host cells that are perhaps infected with a virus, displaying pieces of that virus, antigenic pieces of that virus in the context of a surface receptor called MHC-1, presenting that.

我们说到过,可能受到病毒感染的宿主细胞,表现出病毒的一部分特征,病毒的抗原部分,其表面受体称为主要组织相容性抗原-1,MHC-1负责呈递抗原

耶鲁公开课 - 生物医学工程探索课程节选