arm

身体部位part of body

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

机器of machinery

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

水；陆地of water/land

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

组织机构of organization

6.[ususing]~ (of sth)分部；职能部门a section of a large organization that deals with one particular activity

cost/pay an arm and a leg

（使）花一大笔钱to cost/pay a lot of money

keep sb at arms length

与某人保持距离；不亲近某人to avoid having a close relationship with sb

1.[i][t]武装；装备；备战to provide weapons for yourself/sb in order to fight a battle or a war

1.臂状物;衣袖;电唱头臂;(椅子)扶手

2.港湾,海湾

3.【机】(轮)辐;【电】线担,支路,支架

4.力,权力

5.树枝,枝干

6.臂;【动】前肢

7.【棒】投球能力

8.军械,武器

9.(步,骑等的)兵种

10.〈比喻〉军事

11.(盾,旗等上的)纹章

1.供给...武器,武装(军队等)

2.供给;发给 (with)

3.打开(雷等)的保险;给...装上导火线

4.给...装甲

5.拿起武器,武装起来

1.one of the two long parts of your body with your hands at the end; the part of a piece of clothing that your arm fits into

2.part of a chair that you rest your arm on when you are sitting in it

3.a long thin part of an object that sticks out from the main part

4.a part of an organization that deals with a particular subject or activity

5.a part of some animals such as an octopus that is similar to a human arm in use or appearance

1.to provide yourself or other people with weapons

2.to provide yourself or other people with useful or impressive equipment, information, etc.