armsn.武器；手臂名词arm的复数形式.arms control talks军备管制会谈Armsby's operation[生化]胰蛋白酶的arms held backward两臂后举arms sideward lift外展动作arms proliferation武器扩散arms control regime军备控制制度arms-length terms公平交易条款arms and ammunition武器弹药armstand somersault臂立翻腾arms sales plan for对 ... 军售计划