您要查找的是不是：
- Roughness width cutoff is the largest spacing of irregularities including average roughness height. 粗糙度宽度截距是不平度的最大间距，含粗糙度平均高度。？
- Roughness of the skin can be caused by bad diet. 饮食不好可能引起皮肤粗糙。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- This rough track will soon be a metalled road. 这条坑坑洼洼的路不久就要铺上碎石了。
- The average output of the factory is 20 cars a day. 该工厂的平均产量是每天20辆汽车。
- The ship pitched and tossed in the rough seas. 轮船在汹涌澎湃的大海中起伏颠簸。
- This car really comes into its own on rough ground. 这辆汽车在颠簸的路上才真正显示出它独特的性能。
- The cart bumped along the rough road. 运货马车沿着崎岖不平的道路颠簸而行。
- His income is well below the average. 他的收入大大低于平均水平。
- We fail one student per year on average. 我们平均每年有一个学生不及格。
- Could you give me a rough idea when you'll be back? 你能告诉我你大概什么时候回来吗？
- It is rough on him to work at Christmas. 他很倒楣，在耶诞节还要工作。
- I've told you to stop away from those rough boys. 我已嘱咐过你离那些粗野的男孩远点儿。
- Meals average out at 5 per head. 膳食平均每人5英镑。
- She pencilled the rough outline of a house. 她用铅笔画出房子的轮廓图。
- On average we receive five letters each day. 我们平均每天收到五封信。
- Rough edges must be lapped over. 毛边必须折叠起来。
- Each household sold, on the average, two pigs. 平均每户交售了两口生猪。
- Our reps make on average six calls day. 我们的销售代表平均每天打六次电话。
- His work at school is below the average. 他的学业成绩在一般水平以下。
