And next year, the country is launching a small space lab to practice docking in orbit - an essential part of manned missions to the Moon and Mars.

VOA: standard.2010.04.21

That's not to say that sacrifice is abolished, it's not to say that sacrifice isn't important to Deuteronomy--very far from it, it's an essential part of God's service for Deuteronomy.

也就是说献祭被摒弃了，并不是说在申命记,中献祭不再重要，远不是那样，这是申命记中最核心的侍奉上帝的方式之一。

耶鲁公开课 - 旧约导论课程节选

But it does mean that this decentralization is an essential part of who they thought they were.

但是这就意味着地方分权,是他们自我认知的基本组成部分

耶鲁公开课 - 欧洲文明课程节选

This is an essential part of the critique of structuralism.

这是结构主义评论的必不可少的一部分。

耶鲁公开课 - 文学理论导论课程节选

So if we want belief in a soul to help us leave open the door to the possibility that I survive the destruction of my body, it had better not be that the body is an essential part of me.

因此如果我们相信灵魂,可以帮助我们在幸免一死的,问题上打开一扇窗,那么必须是肉体不是我的重要组成部分

耶鲁公开课 - 死亡课程节选

In both cases, this becomes part of their self-identity. That's an essential part as my good friend, Linda Colley, who used to teach here and sadly is not here anymore.

在这两个国家中,这点是他们身份认同感中很重要的一部分,如同我的好朋友,琳达·科里,她以前是这里的老师,很遗憾现在不在耶鲁了

耶鲁公开课 - 欧洲文明课程节选