n. a protective covering or structuren. armor carried on the arm to intercept blowsv. protect, hide, or conceal from danger or harm
n. 盾, 防卫物, 保护者, 屏蔽vt. 保护, 遮蔽, 屏蔽, 庇护, 挡开, 避开vi. 起保护作用