痛楚会延伸到下背和大腿处。

Pain that radiates to your lower back and thighs

youdao

他的下背有一道手术疤痕。

A surgeon's scar cuts across his lower back.

youdao

许多研究指出训练核心肌群能防止下背疼痛的发生并且有助于复健。

Numerous studies also support the role of core training in the prevention and rehabilitation of LBP.

youdao

You don't have to do this for Wednesday but let's say for next Monday, and that is: I'd like you to memorize a short poem by Yeats or by Frost, either one.

你们不用今天做,下星期一吧：,我想让你们背一首短诗,叶芝或者弗罗斯特的都行。

耶鲁公开课 - 现代诗歌课程节选

What it's designed to do is to give you the resources you think you need so that I can focus on measuring whether you'velearned anything as opposed to whether you've remembered, memorized anything, OK, and of course, something to calculate with.

这样做的目的是给与你们,认为需要的资源，这样我就能专心于,衡量你们是否已经学到了什么,而不是你们是否记得了什么，背下了什么，还有，当然，要计算一下。

麻省理工公开课 - 固态化学导论课程节选