n.武器；兵器
This weapon fires anti-aircraft missiles. 这种武器是发射防空导弹的。
Whether a gun is a weapon of offence or a weapon of defense depends on which end of it you are at. 枪是攻击武器还是防御武器，要看你的目的而定。
Logic is her weapon. 逻辑是她的利器。
The samurais' weapon of choice was the sword . 日本武士首选的兵器就是刀。
n.(总称)武器；兵器；武器研制
adj.无武器的(没有武装的)
n.生物武器
