tangential
/tænˈdʒenʃəl/adjective
1- of, relating to, or along a tangent（与）正切（有关）的; 沿切线方向的：
a tangential line.
一条切线。
1.1
- diverging from a previous course or line; erratic偏离的, 离题的：
tangential thoughts.
游离的思维。
1.2
- hardly touching a matter; peripheral略为触及的; 外围的：
the reforms were tangential to efforts to maintain a basic standard of life.
改革对于保持基本生活水平的努力只是略有触及。
派生词