directional
adj. 方向的
名词：directionality
近义词：signal，guiding，manoeuvring，steering，turning，reversing，indicator，maneuvering，directive，directing，omnidirectional，
英英释义
Adjective
- relating to or indicating directions in space;
"a directional microphone"
- relating to direction toward a (nonspatial) goal;
"he tried to explain the directional trends of modern science"
- showing the way by conducting or leading; imposing direction on;
"felt his mother's directing arm around him" "the directional role of science on industrial progress"
例句
用作形容词(adj.)
- The foil winglets give added lift and directional stability.此外，箔翼也能助进船箔的提升和保持方向的稳定。
- Cardioid is directional on one side only, and is typically used for drums.心形是单一的指向一个方向，非常适合用来录鼓。