您要查找的是不是：
- QIAN Lei, WANG Xian-kui.Research on the in-site measurement of the varying ovality surface of the piston[J].Journal of Mechanical Engineering, 1999, 35(3): 59-62. [3]钱磊;王先逵.;中凸变椭圆活塞外表面在位测量的研究[J]
- The playing field is a large oval. 球场很大，呈椭圆形。
- Comets move around the sun like planets, but in long oval course. 彗星象行星一样绕太阳运转，然而其轨道呈狭长的椭圆形。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- 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
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- He is honest only on the surface. 他只是表面诚实而已。
- Enclosed in an oval, horny case. Used of an insect pupa. 壳内的封闭在椭圆形角质壳内的。用于一虫蛹
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- The path of the earth around the sun is oval. 地球围绕太阳公转的轨道是椭圆形的。
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- Surface mail takes longer than airmail. 普通邮件比航空邮件慢。
- The surface of the lake is quite still. 湖面相当平静。
- She has an unusually attractive oval face and green eyes set slightly on the slant. 她有着一张非常迷人的瓜子脸和一对眼梢儿有点斜的绿眼睛。
- It's2 yuan by surface mail and3.6 yuan by air. 寄平信2元，寄航空要3元6角。
- Wheels won't bite on a slippery surface. 车轮打滑。
