牛耕田马食谷: the ox pulls the plough while the horse eats the grain
耕田不用牛点灯不用油: ploughing without oxen lighting without oil lamps
沟: 名词1.(挖掘的水道或工事) channel; ditch; gutter; trench 短语和例子交通沟 communication trench; 排水沟 drainage ditch; drain; 阴沟 drain; sewer; 挖一道沟 dig a ditch; 沟里的水不很清洁。 the water in the ditch is not very clea
