channel

n.[C]

1. 水道，航道
   The channel is marked by buoys.

   航道由浮标标示。

2. 海峡
   The English Channel separates France from England.

   英吉利海峡将法国与英国分开。

3. 沟渠；河床
4. 途径；渠道；手段[P1]
   You should go through the official channels if you want the government to help.

   你应该通过正式渠道来争取政府的帮助。

5. 方向；路线；领域
6. 频道，波段
   There are at present three television channels.

   目前有三个电视频道。

7. 电路；通讯管道