n.打谷；脱粒
动词thresh的现在分词.
They are threshing crops under the scorching sun. 他们正在骄阳下打谷。
The threshing ground was used to hold a mass meeting. 打谷场曾用于举行群众大会。
Farmers thresh grain with threshing machines. 农民用脱粒机脱粒。
n.打谷场；脱粒场
