straightedge
US /ˈstreɪtˌɛdʒ/
UK /ˈstreɪtˌɛdʒ/
名詞
直尺, 平尺
a bar of wood or metal with at least one perfectly straight edge, used for drawing straight lines or checking the straightness of surfaces
範例:
•
He used a straightedge to draw a perfect line across the paper.
他用直尺在紙上畫了一條完美的直線。
•
The carpenter checked the flatness of the wood with a straightedge.
木匠用直尺檢查木材的平整度。