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n. �ߣ�ͳ���ߣ����߰壬���ߵ���

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n. rule��swayer

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1. Hey, Jim! Can I borrow your ruler?
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2. Show me your ruler.
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3. At breast height, measure the trunk diameter by a ruler.
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n.
  1. measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used
  2. a person who rules or commands

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ruler
ֱ��; ���; ����; ͳ����;
ruler guides
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Nearpoint ruler
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pocket ruler
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Super Ruler
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