di·rec·tion·al /-ʃnəl, ʃənḷ/
(a.)方向的
directional
方向 定向 向
directional
adj 1: relating to or indicating directions in space; "a
directional microphone" [ant: omnidirectional]
2: relating to direction toward a (nonspatial) goal; "he tried
to explain the directional trends of modern science"
3: 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" [syn:
directing, directive, guiding]