出典:Wiktionary
![]()
一直線.
the side of something
the horizontal axis
an approximately straight line
一直線に
一筋に
the horizon―(線なら)―a horizontal line
曲線トレーサリー
一直線.
an approximately straight line
一直線に
一筋に
垂直線.
一直線で.
a straight line extending from a point