n.打谷者，打谷机，长尾鲨； 英英释义： thresher[ 'θreʃə ]n.a farm machine for separating seeds or grain from the husks and straw同义词：thrasherthreshing machinelarge pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feed同义词：thrasherthresh