So, these are all involved with our ability to maintain homeostasis by exchanging materials with the external environment.

这个过程关乎人体维持内稳态的能力,内稳态通过与外环境进行物质交换来实现

耶鲁公开课 - 生物医学工程探索课程节选

The former Prime Minister of the UK, Tony Blair, tried to maintain a friendly relationship with America.

英国前首相，托尼•布莱尔，曾努力维持与美国的友好关系。

英国的首相们 - SpeakingMax英语口语达人

With rhythm and in subsequent armies later in history, they used drums to maintain that technique.

通过节奏,而根据历史记载,后来的军队通过鼓来实现这一点

耶鲁公开课 - 古希腊历史简介课程节选

That would be tantamount to creating divine enemies, immortal enemies So God must maintain the upper hand in his struggle with these humans who have learned to defy him. And he maintains the upper hand in this, the fact that they eventually must die.

因为，这相当于创造了一个，旗鼓相当，永生的敌人,所以，上帝在与，这些学会反抗他的人类争斗时,占了上峰，利用他的优势,决定了人类必将死亡的命运。

耶鲁公开课 - 旧约导论课程节选

The old gold standard was supposed to maintain the convertibility of gold in currency but now we're not even backing it with currency anymore with gold anymore ? so what does it mean?

旧的金本位制度目的在于,保持金子与货币的转换功能,但是现在我们甚至都,不用货币来支持它了，或是用金子,所以这意味着什么呢？

耶鲁公开课 - 金融市场课程节选

The Law of Inertia says that, "If a body has no forces acting on it, then it will remain at rest if it was at rest to begin with, or if it had a velocity to begin with, it will maintain that velocity."

惯性定律就是,"如果一个物体不受外力作用,那么静止的物体依然保持静止,如果物体有个初速度,那么就保持此速度不变"

耶鲁公开课 - 基础物理课程节选

I mentioned earlier that we used to be on the gold standard and central banks were gold standard institutions that were trying to stabilize the economy but subject to the constraint that they had to maintain convertibility with gold but those central banks' role has changed a lot.

直至改变,我之前提到,我们过去是以金本位为基础的,并且中央银行也是以金本位为基础的机构,它们试图稳固经济,但是也在,保持金子的转换功能约束下。

耶鲁公开课 - 金融市场课程节选