直尺的英文：
Ruler
straight-edge

參考例句：
  • Straight edge
    刀口形直尺
  • He has got a ruler.
    他有一把直尺。
  • With straightedge and compasses, divide a segment of a into 2 parts.
    用直尺和圓規(guī)把線段a分成兩部分。
  • The child used a ruler to draw straight lines.
    這孩子用一把直尺劃直線。
  • I have got a ruler. Will that do?
    我有一把直尺。能行嗎
  • a square having a metal ruler set at right angles to another straight piece.
    有一根金屬尺子安裝在另一根之上成直角的直尺。
  • Each step of the construction of a circle with straightedge and compass calls for finding a point of intersection
    用圓規(guī)、直尺作圓的每一步都需要找一個交點(diǎn)。
  • A straightedged strip,as of wood or metal,for drawing straight lines and measuring lengths.
    尺，直尺，劃線用木頭或金屬等制成的直角的條，用于劃直線和測量長度
ruler是什么意思：
n. 統(tǒng)治者；尺
  • Dictators are arbitrary rulers.
    獨(dú)裁者即獨(dú)斷專橫的統(tǒng)治者。
  • He was once a potent ruler.
    他曾經(jīng)是有權(quán)勢的統(tǒng)治者。
  • Circumstances are the rulers of the weak, instrument of the wise.
    弱者困于環(huán)境，智者利用環(huán)境。
straight是什么意思：
adj. 直的；正直的；直率的；連續(xù)的；整齊的
adv. 直接地；坦率地；立即；不斷地
n. 直線
  • straight or on the rock
    純的或加冰塊
  • make(sth)straight or level
    使（某物）變直或變平
  • Straight trees have crooked roots
    直樹也有曲根
edge是什么意思：
n. 邊，邊緣；刀，刀口
v. 使徐徐移動；給...加邊
  • The number of incoming edges is equal to the number of outgoing edges
    進(jìn)入的線數(shù)等于離去的線數(shù)。
  • pipe edges sewing machine
    滾邊縫紉機(jī)
  • Sloth turneth the edge of wit
    懶惰會磨去才智的鋒芒

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