By taking cells from the skin, for example, or cells from your blood or cells from the bone marrow and keeping them alive in culture, we've been able to study how human cells work and learn a lot about the functioning of human organism.

举例来说,通过从人的皮肤,骨髓,或者血液中提取细胞,并在培养基中培养,就能研究人类细胞是如何工作的,并在一定程度上了解人类机体的功能

耶鲁公开课 - 生物医学工程探索课程节选

It's actually better to spend a certain amount of time just keeping your body in good condition

其实花一定时间保持身体的良好状态更好，

健康生活 - SpeakingMax英语口语达人

The presence of both Mars and Venus suggests you want to box everything into a neat, ordered, structured way but keeping a piece of jade or carnelian close will help you keep in touch with your fun side."

火星和金星的同时出现表明,你想把东西整洁有序地打包好,随身携带一块翡翠或玛瑙,会使你获得愉悦的心情“

耶鲁公开课 - 心理学导论课程节选

Her name is pronounced Cansu so she will appreciate your keeping that in mind when you say hello to her in person, Cansu being our head TF.

她的名字叫Cansu，她会很感谢你,因为你跟她打招呼的时候，记住了她的名字，顺便说一下，Cansu是我们的TF头。

哈佛公开课 - 计算机科学课程节选