(pos:名詞)
<explanation>
yue:兩點之間距離最短、冇彎曲嘅線（量詞：條）
eng:beeline; straight line; the shortest distance between two points; a line with no curvature
<eg>
yue:一個三角形有三條直線。 (jat1 go3 saam1 gok3 jing4 jau5 saam1 tiu4 zik6 sin3.)
eng:There are three straight lines in a triangle.
