1.臂；手臂；上肢either of the two long parts that stick out from the top of the body and connect the shoulders to the hands
He escaped with only a broken arm.他得以逃生，只是断了一只胳膊。
She threw her arms around his neck.她张开双臂搂住他的脖子。
The officer grabbed him by the arm(= grabbed his arm) .警察抓住了他的手臂。
She touched him gently on the arm.她轻轻地碰了碰他的胳膊。
He held the dirty rag at arm's length(= as far away from his body as possible) .他拎着脏抹布，身子离得远远的。
They walked along arm in arm(= with the arm of one person linked with the arm of the other) .他们臂挽着臂一路走着。
She cradled the child in her arms .她怀抱着小孩。
They fell asleep in each other's arms(= holding each other) .他们互相搂抱着睡着了。
He was carrying a number of files under his arm(= between his arm and his body) .他腋下挟着一些卷宗。
He walked in with a tall blonde on his arm(= next to him and holding his arm) .他挎着一个高个子金发女郎走了进来。
2.袖子the part of a piece of clothing that covers the arm
3.扶手the part of a chair, etc. on which you rest your arms
4.臂状物（尤指可移动的物体部分或机器部件）a long narrow part of an object or a piece of machinery, especially one that moves
a robotic arm机械臂
5.狭长港湾；（连接较大地区的）狭长地带a long narrow piece of water or land that is joined to a larger area
A small bridge spans the arm of the river.一座小桥横跨河湾。
6.[ususing]~ (of sth)分部；职能部门a section of a large organization that deals with one particular activity
the research arm of the company公司的科研部门
He keeps all his clients at arm's length.他不与任何委托人过分亲密。
He keeps all his clients at arm's length.他不与任何委托人过分亲密。
1.[i][t]武装；装备；备战to provide weapons for yourself/sb in order to fight a battle or a war
The country was arming against the enemy.这个国家正在备战迎击敌人。
The men armed themselves with sticks and stones.这些人以棍棒和石块作为武器。
She had armed herself for the meeting with all the latest statistics.为了这次会议，她准备了所有最新统计资料。
2.[t]~ sth使（炸弹等）随时爆炸to make a bomb, etc. ready to explode
He took a microphone in his left hand and help up his right arm to ask for quiet.
他左手拿起麦克风，然后举起右臂示意大家静下来。
The IAB, the research arm of the Federal Employment Agency, thinks 140, 000 a year is possible.
联邦就业局研究机构IAB认为一年可能有14万。
And I swam to him at once. I used one of my arms to swim and helped him with my other arm.
我立刻游向他，我用一只手游，另一只手帮他。
You note that she's exaggerating the body roll by rotating the opposite arm that she's not using out of the water.
注意她将对侧闲置的手臂转出了水面，夸大了身体的滚动效果。
Each arm would be made of a plastic film that could be rolled out onto the surface of the moon, either by robots or by astronauts.
每一个臂状结构都由塑料薄膜造成，可被机器人或航天员铺展在月球表面。
One of the officers remained in a hospital Saturday with injuries to his arm, a spokesman for the Police Service of Northern Ireland said.
其中一名警官因手臂受伤周六仍在医院，北爱尔兰警察局的发言人称。
"Like the gun, " he said, lowering his arm and fixing his gaze on the boys who now looked at him wide-eyed.
“这名儿像枪。”说完放下胳膊，盯着已看得目瞪口呆的男孩子们。
T-bag robbed an ice box and put his arm in it before. Then he went into a clinic and forced the doctor to connect his arm with his body.
之前，T-袋子偷了一个装有冰块的箱子，并且把他的胳膊放进里面去了。然后他进了一家诊所，强迫着医生把他的胳膊接到了他的身体上去了。
He moved nearer the edge, stood up, and with a vigorous sweep of his arm, cast out the line.
他走到水边，站起身，用力挥动手臂，将钓鱼线抛了出去。
Weeks ago he would have given his right arm for her to propose to him, and now all that he wanted was for her to leave him alone.
要是几个星期前他一定会挽住她接受她的求婚，但是现在他却只想她能快点离开他家。
In London, expenses for unwinding Lehman's European arm, including legal costs, are estimated to be close to $900m.
在伦敦，估计雷曼欧洲业务清盘的费用（包括法律费用）将接近9亿美元。
The dumb arm would "look" at its hand to see if it was holding a can; if it was it would drop it.
傻乎乎的胳膊会“查看”自己的手是否拿着罐子，是，就会扔进回收筒。
Marshal Saxe wished to arm the French cavalry with a blade of a triangular cross section so as to make the use of the point obligatory.
萨克斯元帅希望给法国骑兵装备剑刃三角截面的剑，使士兵只能刺击。
I guess with the arm you could say that since she stitched herself up she must have done a good job without scar, but what about the back.
我猜对于手臂，你可以说因为她缝合了，她自己必须做的非常好没有疤痕，但是背部呢？
I led her by the arm and she did not resist.
我拉着她的手，她也没有反抗。
The door opened just a crack and a single arm emerged with a ticket in hand.
门开了一条缝，一只手伸了出来，手里拿着一张票。
I was looking at a beautiful rose when a beautiful, large dragonfly landed within arm's length of me.
当我正看着一朵美丽的玫瑰花时，一只漂亮的、大个的蜻蜓停在距我一臂之远的花上。
The problem was that she had to lift her pants up to show it off, so this latest one is now on her arm for easy exhibition.
可问题是她要想展示那个纹身的话得要把裤子提起来。所以最新的这个被纹在了胳膊上，这样更容易展示。
He took Toad firmly by the arm, led him into the smoking-room, and closed the door behind them.
他牢牢抓住蟾蜍的臂，把他带进吸烟室，随手带上了门。
The crowd parted, whispering excitedly; Lockhart dived forward, seized Harry's arm, and pulled him to the front.
人群让开一条路，兴奋地低语着。洛哈特冲上前来，抓住哈利的胳膊，把他拉到前面，
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