渔民们在沿海水域拖网捕捞鲱鱼。
Fishermen ___trawl the coastal waters to catch herring.
警方仔细排查了所有监控录像寻找线索。
The police ___trawled through all the surveillance footage for clues.
他们整晚都在近海进行拖网捕鱼。
They spent the whole night ___trawling offshore.
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