n.[C]

1. 【渔】拖网
2. 【美】（捕海鱼的）排钩

vt.

1. 用拖网（或排钩）捕

vi.

1. 用拖网（或排钩）捕鱼
   They are trawling for cod.

   他们正在用拖网捕鳕。

v.

1. fish or catch with a trawl net or seine.
2. search thoroughly.

n.

1. an act of trawling.
2. (also trawl net) a large wide-mouthed fishing net dragged by a boat along the bottom of the sea or a lake.
3. (also trawl line) N. Amer. a long sea-fishing line along which are tied buoys supporting baited hooks on short lines.