| 单词 | roughage | 
| 释义 | rough·ageBrE /ˈrʌfɪdʒ/ NAmE /ˈrʌfɪdʒ/ noun [U ]the part of food that helps to keep a person healthy by keeping the bowels working and moving other food quickly through the body 食物中的粗纤维SYN fibre | 
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