channel/ˈtʃæn(ə)l/
n.1. 河床；河底2. 水的最深处3. 海峡The English Channel is between France and England.英吉利海峡在英国和法国之间。
4. （水）槽；（水）沟They cut a channel from the river to bring water to the field.他们从河那里挖了条沟渠把水引到地里。
The sewage channel chokes.这条污水道塞住了。
There's a channel in the middle of the old street to help rainwater flow away.旧街道的中央有一条沟渠来排放雨水。
5. 途径；渠道6. 频道7. 方法；途径