Elizabeth Blackburn compares them to the plastic tips on the ends of shoelaces.

VOA: special.2009.10.07

There are processes that go from my nervous system, from my brain and spinal cord out to the tips of my fingers that allow me to move muscles there, or down to your toes.

神经系统中的有些突起可以,从大脑和脊髓一直延伸到,手指指端,以使我这里的肌肉能够运动,神经甚至会一直延伸到你的脚趾

耶鲁公开课 - 生物医学工程探索课程节选

So yes, I present kind of tips and tricks of how to grow your flowers, how to grow your foods.

我提供关于如何种花、如何种植食物方面的建议和窍门。

兴趣成为了职业 - SpeakingMax英语口语达人

I don't want you to get all frustrated and fail to show what you know, so here are a couple of tips.

我不希望你受到挫折,由于失败而不能体现你所知道的，因此这儿有一些小提示。

麻省理工公开课 - 固态化学导论课程节选

What kind of tips could you give people who are preparing to be actors?

你能给准备当演员的人什么建议呢？

想成为明星吗？ - SpeakingMax英语口语达人