trawl /ˈtrɔl/
 拖網(vt.)(vi.)用拖網捕魚
 Trawl v. i.  To take fish, or other marine animals, with a trawl.
 Trawl, n.
 1. A fishing line, often extending a mile or more, having many short lines bearing hooks attached to it. It is used for catching cod, halibut, etc.; a boulter. [U. S. & Canada]
 2. A large bag net attached to a beam with iron frames at its ends, and dragged at the bottom of the sea, -- used in fishing, and in gathering forms of marine life from the sea bottom.
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 trawl
      n 1: a long fishing line with many shorter lines and hooks
           attached to it (usually suspended between buoys) [syn: trawl
           line, spiller, setline, trotline]
      2: a conical fishnet dragged through the water at great depths
         [syn: dragnet, trawl net]
      v : fish with trawlers