thresh

1. V-T/V-I When a cereal such as barley, wheat, or rice is threshed, it is beaten in order to separate the grains from the rest of the plant. (给谷物)脱粒; 打谷[usu passive]

The grain was still sown, cut and threshed as it was a hundred years ago. 谷物的播种、收割、脱粒方法还和一百年前一样。

Machines that reap and thresh in one operation. 同时完成收割和脱粒的机器。