I TRUDGED up the snowy hill, head bent against the freezing wind with my overnight kit under my arm, trying to make my way through the snow in the arctic dark.

我胳臂下夹着寝具在白雪覆盖的山路上跋涉，一边低头躲避着刺骨的寒风，一边在北极的黑夜里试图在雪地里找到前行的道路。

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March walked out of the restaurant, still holding Robert's arm, "Let's go this way," she said and cross the street.

3月走出餐厅，还举行罗伯特的手臂，“让我们走这条路，她说：”和过马路。

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The experimental evidence suggests that a particularly good way of activating the cell-killing arm of the immune system is to use two vaccines based on different antigens.

实验之中的种种迹象表明一个能够充分发挥免疫系统的抗病毒能力的方法，那就是同时使用两种能够辨认不同种类抗原的疫苗，一为主，一为辅，一种负责刺激免疫系统,使其做好攻击艾滋病病毒的准备;

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So every time you move your arm, that area of the brain with green line starts, become active in a particular way.

因此，每当你运动手臂的时候，大脑中绿线的部分开始工作，以特定的方式活跃起来。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

The other problem is that as it was passed from me to another individual, to another individual, then the vaccine could change in some ways that were hard to predict because what accumulates in the lesion in my arm is different in some way than what accumulates in the lesion on a cow.

另外一个问题是当疫苗从我这传到另一人,到另一个个体,疫苗可能会发生某些改变,这种改变很难预测,因为胳膊上积累的病变,与牛身上积累的病变是不太一样的

耶鲁公开课 - 生物医学工程探索课程节选

So I went back to the great creator raising his plastic arm and suggested that, well, maybe after all there might be some good way of complicating the meaning of Akenside by suggesting that the modern, anachronistic meaning of "plastic" would be relevant to the sense of the poem.

所以我回想了一下,当这位伟大的创造家抬起他的塑料手臂，说，也许总有办法,能让Akenside的意思更复杂,有一个很好的例子就是,“plastic“一词古今意思的差别“,和诗歌的意境有关。

耶鲁公开课 - 文学理论导论课程节选

But there are no signs that Speaker Gingrich is in any way arm-weary.

CNN: From Charles Bierbauer

And so I learned a very valuable lesson that particular day, and that was whenever I find one now, I go all the way down the arm to make sure there's fingers there.

NPR: River Poses Hazard for Dive Teams

You are allowed a bent arm all the way through and allowed to move it within that slightly.

BBC: Harbhajan Singh