ruler

美 [ˈruːlər]
英 [ˈruːlə(r)]
  • n.统治者;尺子;直尺;【计】标尺
  • 网络格尺;尺规
复数:rulers  
ruler
n.
1.
统治者;支配者a person who rules or governs
2.
直尺a straight strip of wood, plastic or metal, marked in centimetres or inches, used for measuring or for drawing straight lines

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