They are linked directly to a checking account so you are paying with your own money.

VOA: special.2009.05.21

As carefully as people work with radioactivity here, and using often much, much safer radioactive materials than radium bromide, and using them, and special hoods, and having special procedures, they still do a lot of checking with these Geiger counters to make sure everything's safe.

虽然在这里人们,用放射性物质都非常的小心，而且通常用的材料放射性,都比溴化镭要小得多，并且用的时候,都用特殊的容器,特殊的操作过程,但我们平时仍会用。

麻省理工公开课 - 化学原理课程节选

So you just kind of have to like, keep checking on with yourself,

所以，你只是得不断审视自己，

关于名牌 - SpeakingMax英语口语达人

Well if I-- you know, with let me say it differently. I don't need to worry about how checking is done, it's handled inside of that function.

好，如果你们知道，抱歉，让我们换种说法,我不必担心检查工作,是则会么做的，这是在方法体内部进行的。

麻省理工公开课 - 计算机科学及编程导论课程节选

One of the things that has been interesting with you that I haven't always done in meditation is checking in with various parts of my body, and like really going from head to toe, which is very interesting, just being aware of any aches and pains.

一件让我感兴趣的事,是我在冥想时不经常做的,就是检查身体各处，彻底从头到脚，这一点很有趣，留意各种疼痛。

普林斯顿公开课 - 人性课程节选