1. 统治者;管理者;治理者
The ruler of a country is the person who rules the country.
ruler
e.g. ...the former military ruler of Lesotho...
莱索托的前军事统治者
e.g. He was a weak-willed and indecisive ruler.
他是一位意志薄弱、优柔寡断的统治者。
2. 尺;直尺
A ruler is a long flat piece of wood, metal, or plastic with straight edges marked in centimetres or inches. Rulers are used to measure things and to draw straight lines.
ruler的意思
名词统治者; 尺; 直尺