chan·nel·ize /ˈʧænḷˌaɪz/
  在...開闢水道,疏導
  channelize
       v 1: direct the course; determine the direction of travelling
            [syn: steer, maneuver, manoeuver, manoeuvre, direct,
             point, head, guide, channelise]
       2: make a channel for; provide with a channel; "channelize the
          country for better transportation" [syn: channelise]
       3: send from one person or place to another; "transmit a
          message" [syn: transmit, transfer, transport, channel,
           channelise]
       4: cause to form a channel; "channelize a stream" [syn: channelise]