v.打谷；脱粒；反复地做
The farmers used to thresh the grain by hand, but now machines thresh it. 农民过去用手工打谷，但现在用机器脱粒。
In some villages farmers use a machine to thresh wheat. 在一些村子里，农民用机器来打麦。
They are separating the grains from wheat with a threshing machine. 他们正在用打谷机给小麦脱粒。
Farmers thresh grain with threshing machines. 农民用脱粒机脱粒。
If we put our heads together we can probably thresh out a workable scheme. 如果我们集思广益，也许能琢磨出一个切实可行的方案。
n.门槛；开端；界限；入口
n.打谷场；脱粒场
阈值
n.打谷机；打谷者；长尾鲨
