ruler[英] [ˈru:lə(r)][美] [ˈrulɚ]n.统治者; 尺; 直尺;[例句]He was a weak-willed and indecisive ruler.他是一位意志薄弱、优柔寡断的统治者。[复数]rulers
尺子：ruler
ruler
ruler望采纳
