您要查找的是不是：
- He came to look at the drainage. 他是来检查排水设备的。
- The drainage system has been aged. 排水系统已经老化了。
- We can compute the circular area with radius. 我们能用半径计算出圆的面积。
- The full moon has a circular form. 满月呈圆形。
- I'm not satisfied with his circular explanation. 我不满意他拐弯抹角的解释。
- The full moon has a circular shape. 满月呈圆形。
- The organization issues a circular every month. 该组织每月发一份通告。
- Something of circular form; a circle or an orbit. 圆形物体圆形物体; 圆圈或环形轨道
- An instrument that measures circular arcs. 圆弧测定器一种用于测定圆弧的仪器
- circular drainage system 环行排水系统
- The drainage of the town is not good, some of the pipes are broken. 城里的排水系统不好,有些水管断裂了。
- A circular or spiral motion, especially a circular ocean current. 游涡一种圆形或螺旋形的运动，特别是做圆环运动的海水水流
- A painting or an engraving set in an oval or circular frame. 圆形浮雕镶嵌于椭圆形或圆形框架中之绘画或雕刻
- Have you seen that circular from the new furniture centre? 你见到那家本地新开的家俱总汇的广告了吗？
- We must dig a drainage ditch to run off the water. 我们得挖一条排水渠把水排掉。
- A small, circular or crescent-shaped opening in a vaulted roof. 半圆壁，弧形窗在高高的屋顶上的小的，圆的或新月形的开口
- The town's drainage is very efficient. 这城市的排水系统很好。
- A drainage passage, as to a culvert. 排水沟排水通道，如阴沟
- Is there adequate drainage where needed? 需要排水的地方其排能是否足够?
- Stop giving me circular explanations and tell me what really happened. 别拐弯抹角地解释了，告诉我究竟发生了什么。
