带子在背后交叉，然后系在腰部。

The straps cross over at the back and are tied at the waist.

《牛津词典》

我用绳子将自己系在了那个烟囱上。

I roped myself to the chimney.

《柯林斯英汉双解大词典》

没有如何把背带系在箱子上的说明。

There were no instructions on how to fasten the carrying strap to the box.

《柯林斯英汉双解大词典》

The thermos, with the lid on top, It's not a open system your coffee is going to stay warm or hot in the thermos.

顶部盖了盖子的热水瓶，不是开系,你希望你的咖啡在热水瓶里面保持温暖,或滚烫。

麻省理工公开课 - 热力学与动力学课程节选

So, remember when you're looking at your periodic table, don't forget about the lanthanides, sometimes they come into play.

因此，要记住，当你在看元素周期表时，不要忘了镧系元素，有时候也会用到它们。

麻省理工公开课 - 化学原理课程节选

And indeed, as it happens, in our department this very semester there is such a class devoted, all semester, to the topic of consciousness.

当然,这也的确是如此,我们系在这一学期,就有这么一个班,花了整整一个学期,来讨论意识问题

耶鲁公开课 - 死亡课程节选