名詞 threshing:

1. the separation of grain or seeds from the husks and straw

動詞 thresh:

1. move or stir about violently
   同義詞：convulse, thresh, thresh about, thrash, thrash about, slash, toss, jactitate
2. move like a flail; thresh about
   同義詞：flail, thresh
3. beat the seeds out of a grain
   同義詞：thrash, thresh
4. give a thrashing to; beat hard
   同義詞：thrash, thresh, lam, flail

1. They are separating the grains from wheat with a threshing machine.
   他們正在用打谷機(jī)給小麥脫粒。