2. It can burn wood , animal waste or crop waste. 它可以燃烧木头，动物和庄稼的废弃物。
3. Robot farmers could soon lead to crop fields being replaced by metal shipping containers. 不久，机器人农夫就可以用金属集装箱代替耕地种植庄稼。
英英解释
n.
1. the yield from plants in a single growing season
2. a cultivated plant that is grown commercially on a large scale
3. a collection of people or things appearing together
4. the output of something in a season
5. the stock or handle of a whip
6. a pouch in many birds and some lower animals that resembles a stomach for storage and preliminary ma v.
1. cut short
2. prepare for crops
3. yield crops
4. let feed in a field or pasture or meadow
5. feed as in a meadow or pasture
6. cultivate, tend, and cut back the growth of
