Margaret took me to one side, holding my arm in a gentle caress.

玛格丽特把我拉到一旁，轻轻地抚弄着我的手臂。

《柯林斯英汉双解大词典》

She had a metal plate inserted in her arm.

她的胳膊里嵌着一块接骨板。

《牛津词典》

He brought his arm up in a futile attempt to ward off the blow.

他出于挡住这一击的无谓企图抬起了他的胳膊。

《柯林斯英汉双解大词典》

In one activity, children try to get a robot arm to pick up a block and place it in a cup.

VOA: special.2010.07.28

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

But abruptly, fiendishly, the tender pattern of nudity I had adored would be transformed into the disgusting lamp-lit bare arm of a man in his underclothes reading his paper by the open window in the hot, damp, hopeless summer night.

然而突然，糟糕得很，我崇拜的那副美好的裸体,投入了台灯下一双男人赤膊的肩膀，他穿着内衣裤,读着报纸，靠在敞开的窗边，沉浸在,炎热，潮湿，绝望的夏夜里。

耶鲁公开课 - 1945年后的美国小说课程节选

Jeremy Brown, who was graduated from MIT in 1995 and got a PhD there in 2002, remembers when a student broke her arm in a mud-wrestling pit at a party.

FORBES: MIT Mourns 26-Year-Old Cop Killed By Boston Bombers

The cover of The New Yorker dated April 8 features an illustration of the Yankees by Mark Ulriksen with Andy Pettitte on crutches, Rodriguez in a wheelchair, Mariano Rivera and Jeter using walkers, Ichiro Suzuki with a cane and Teixeira with an arm in a sling.

WSJ: Another injury, loss as Yanks fall 7-4 to Red Sox

The Star Telegram said he tried to join the Navy in 1996 but was rejected after a physical exam showed pins in his arm from a rodeo injury.

NPR: A Glance At The Life Of Chris Kyle, Ex-Navy SEAL