threshing tool for one ear中文

• 小型單穗脫粒設備

• thresh:    vt.,vi. ＝ thrash. ...
• tool:    n. 1.工具，用具，器具；【機械工 ...
• one:    短語和例子 Once one is ...
• ear:    n. 1.(稻麥等的)穗。 2.〔p ...