n.粗饲料,粗粮,粗糙的原料;
例句:
I'll give you some advice about life. Eat more roughage.
给你生活的忠告, 多吃些粗粮.
Eat more roughage to keep healthy.
多吃些粗粮保持健康.
This product can increase the rate of roughage, lower investment cost.
增加刍料利用率, 降低饲养成本.