ruler
n. 统治者，管理者；尺子，直尺；（计算机屏幕的）标尺；划线板，划线的人；主导行星（对黄道十二宫图的宫、房子、生活等有特别影响的行星）
复数 rulers
例句
He cracked me on the head with a ruler.
他用尺子猛击我的头部。
《牛津词典》
The ruler cracked and splintered into pieces.
尺子裂了，碎成了片。
《柯林斯英汉双解大词典》
The former military ruler of Lesotho has been placed under house arrest.
莱索托前军事统治者已被软禁了。
