unidirectional   (TTS Sound)

The unidirectional has 1 Senses.

• unidirectional
• 一方向性
• operating or moving or allowing movement in one direction only; "a unidirectional flow"; "a unidirectional antenna"; "a unidirectional approach to a problem"
• 1つの方向だけで作動する、動く、運動を許可するさま