I might say I touched all the bases if I did what is necessary to complete a job or activity.

VOA: special.2009.04.12

It was when by invisibility we meant can't be tasted or touched or heard or smelled.

如果说无形意思不能尝到摸到闻到,听到的话，灵魂也是无形的。

耶鲁公开课 - 死亡课程节选

There is another aspect of the way in which the New Criticism has been criticized for the last forty or fifty years which needs to be touched on.

新批评主义还在一个方面,受到看批评,在我们研究的过去的四五十年里。

耶鲁公开课 - 文学理论导论课程节选

Storylines often touched on matters of fate,destiny, spirituality,the meaning of life, or what it means to be human.

VOA: standard.2010.05.25

So at this point in the story-- at this level in the story, if you will, I've touched one, two, three, four numbers total or I've made two comparisons.

那么这时，我总共已经动过了1，2，3，4个数字,或者说我做了两次比较。

哈佛公开课 - 计算机科学课程节选

many adult students had never touched a computer or explored the World Wide Web.

VOA: standard.2010.01.05

I start off, either I take this path and carry on, or I take that path and carry on, but each box, if you like, gets touched exactly once.

程序开始后，或者采取这条路径然后继续，或者采取那条路径然后继续，但是每个图形，如果你喜欢这么说的话。

麻省理工公开课 - 计算机科学及编程导论课程节选