n. a path over which electrical signals can pass
n. a passage for water (or other fluids) to flow through
n. a deep and relatively narrow body of water (as in a river or a harbor or a strait linking two larger bodies) that allows the best passage for vessels
n. (often plural) a means of communication or access
n. 海峡, 航道, 频道
vt. 引导, 在...上挖沟, 形成河道
[计] 信道, 通道