channel; ditch; trench

1. 迂回管道用于引導氣體或液體繞過其它管道或裝置的一種管道或渠道
   A pipe or channel used to conduct gas or liquid around another pipe or a fixture.
2. 湍急的水道這樣一股水流的渠道
   The channel of such a current.
3. 層次字節(jié)、元素、渠道或一行信息
   A bit, an element, a channel, or a row of information.
4. 不要直接向我提意見；你得通過適當?shù)?em>渠道，即寫信給總店，一個副本給經(jīng)理，一個副本給我；這樣你的意見就可能得到受理。
   Don't come to me with your complains; you've to go through the proper channels, which means a letter to Head Office and a copy to the director and to myself, then you might be listened to.

道的英語翻譯：