农民用脱粒机脱粒.Farmers thresh grain with threshing machines.玉米的播种、收割、脱粒方法还和一百年前一样。The corn was still sown, cut and threshed as it was a hundred years ago.麦子熟了,就把它收割脱粒了.When the wheat is headed it is reaped and threshed....
这个实用的基础模型较为简略地解释了人类的行为。This basic utilitarian model gives a relatively unsophisticated account of human behaviour.这家旅游办事处提供十分实用的住宿查询服务。The tourist office operates a useful room-finding service.你需要一双实用的靴子穿越丛林。You'll ...