The bed of a stream.

河床。

The deepest part of a strait, bay, harbor, etc.

海峡、海湾、海港等之最深处。

A narrow sea passage connecting two seas or oceans.

海峡；海岔。

A long groove or furrow.

沟；畦。

A way by which anything may be carried.

路径。

Frequency and for the transmission of signals.

【电】频道；波道。

Official course of communication.

管道。

A path along which information passes or an area (as of magnetic tape) on which it is stored.

(电脑资料的)通道；存储点。

To cut or wear grooves or furrows in.

开沟；凿槽。

To carry through or as through a channel.

注入；使通过。

To direct into a particular course.

使经某途径；导入。