They had seen him trawling and therefore knew that there were fish.他们曾见过他用拖网捕鱼，因此知道那里有鱼。The boat were out trawling the bay.渔船已出海,在海湾用拖网捕鱼.A team of officers is trawling through the records of thousands of petty thieves.一...
A gas in solution diffuses from region of greater to one of less concentration.溶液中的气体由浓度较高的区域向浓度较低的区域扩散.The moisture present in all foods absorbs the flavour of the smoke and eventually diffuses that flavour into its int...