1. The child used a ruler to draw straight lines.
    这孩子用一把直尺划直线。

2. She was then ruler of Egypt.
    她当时是埃及的统治者。

1. 标尺：球面(Spherize)滤镜的应用,图层面板的使用. 在本例中,将左图所示图像中具有透视角度的建筑物修正右图所示的建筑物效果. 所运用到的主要命令有:标尺(Ruler)、辅助线(Guide Line)、的显示,图像的变形(Transform)操作.

2. 尺：一套共6个,每个积木都由文化用品,乐器名称,各种小动物,水果名称等等,6个不同图案组成.共24个图案.每个图案还配有它的英文单词,比如 文化用品:铅笔(pencial)尺(ruler)...

3. 统治者：他在<理想国>>里把国家的成员分为三个等级:统治者(ruler)、附属者(auxiliaries)以及工匠(workers). 他对掌握着国家权力和资源的少数统治者及其附属者的限制条件是,1)不能有核心家庭. 丈夫和妻子是所有人共享的,孩子也是如此,

1. 统治者;管理者;治理者
    The ruler of a country is the person who rules the country.

ruler的意思

    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.

1. measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths

    Synonym: rule

2. a person who rules or commands

    e.g. swayer of the universe

    Synonym: swayer