adj. 无扶手的；无臂的；无武器的
词根：arm
adj.
armed 武装的；有扶手的；有防卫器官的（指动物）
n.
arm 手臂；武器；袖子；装备
arming 武装；装备；徽章
vi.
arm 武装起来
vt.
arm 武装；备战
1.A stool is a backless and armless seat.
凳子就是既没有靠背又没有扶手的椅子。
2.An armless, upholstered chair with a high, straight back and a low seat.
祈祷椅没有扶手，装有布面的椅子，有高而直的椅背和低矮的座位。
3.The strangest thing is that all the figurines were armless.
奇怪的是，所有陶俑都没有双臂。
4.LAST month Liu Wei, an armless pianist and singer, won the first series of “China’s Got Talent”.
上个月，无臂钢琴师、歌手刘伟，赢得了《中国达人秀》第一季冠军。
5.Popular contestants from the 'China's Got Talent' TV show, including armless piano player Liu Wei who won the competition, will perform in Austria, Italy and France from January next year.
热门选手来自“中国达人秀”电视节目，无臂钢琴演奏者刘伟赢得了这场比赛，他将会于明年一月在澳大利亚，意大利和法国表演。
6.The tsunami of gas racing toward the center has fueled rapid star birth for at least the past 500 million years in the relatively armless disk.
大约5亿年前，落向中心的气体洪流在缺乏旋臂的星盘中点燃了恒星诞生的风暴；