n. 打谷者, 打谷机, 长尾鲨
n. a farm machine for separating seeds or grain from the husks and straw
n. large pelagic shark of warm seas with a whippke tail used to round up small fish on which to feed
1.This is a bigeye thresher, a shark that's almost never been seen in the wild.
这是一只大眼长尾鲨 一种野外极其罕见的鲨鱼
2.When I was about your age, a kid got his leg caught in a wheat thresher.
我像你这么大时 有个孩子的腿卡在小麦脱粒机里了