n. a human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb
n. any projection that is thought to resemble a human arm
n. the part of an armchair or sofa that supports the elbow and forearm of a seated person
v. prepare oneself for a military confrontation
n. 手臂, 袖子, 狭长港湾, 武器
vt. 武装, 装备
vi. 武装起来
[计] 异步应答方式; 自动货品销路管理
1. She lifted her arm to wave goodbye.
她抬起手臂挥手告别。
2. He has a tattoo on his left arm.
他左臂上有一个纹身。
3. The doctor checked my arm for any injuries.
医生检查了我的手臂是否有伤。