您要查找的是不是：
- A circular marking on a peacock's feather. 翎眼孔雀羽毛上的圆圈
- Scientists do researches on the migrating rules of migratory birds according to the circular marks fixed on bird legs. 科学家根据安装在鸟腿上的环志来研究候鸟的迁徙规律。
- If acid rain falls or collects on a car, and the water dries in the warm sun, the concentration of acid increases and eventually etches (creates small circular marks) the paint. 酸雨落下淤积在车上，晒干后就会留下蚀刻痕迹。
- He vainly tried to mark the defacing stain out. 他试图除去有损外观的污迹，但没有成功。
- 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。
- Her school work isn't quite up to the mark. 她的功课不大符合要求。
- That was just a lot of hot air what Mark said. 马克所说的不过是一大堆空话。
- I'm not satisfied with his circular explanation. 我不满意他拐弯抹角的解释。
- War has left its mark on the country. 战争给该国留下了不可磨灭的痕迹。
- The full moon has a circular shape. 满月呈圆形。
- The public scandal left a black mark on his career. 这一尽人皆知的丑闻给他的事业留下了污点。
- The organization issues a circular every month. 该组织每月发一份通告。
- How much do you know about the works of Mark Twin. 马克。吐温写的作品你知道多少？
- Happy anniversary, Helen and Mark! 海伦、马克，祝你们结婚周年快乐！
- Mark and Barbara are going together now. 马克与巴巴拉现在正在谈恋爱。
- 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
- Mark has lost his job and is worse off than ever. 马克的工作丢了，情况比以前更糟。
- He rubbed out the mark on his book. 他把他书上的记号擦掉了。
