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- polar reciprocal surface 配极曲面
- The two systems of government are polar opposites. 这两种政体正好相反。
- They show reciprocal affection to each other. 他们表达了彼此之间的爱慕。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- They have a reciprocal loathing for each other. 他们互相憎恨。
- 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。
- Involving interchange; reciprocal. 涉及交换的; 相互的
- Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗？
- 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。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- Located or found in one of the Polar Regions. 环极的，围绕极地的位于或发现于一个极地区域中的
- They have a reciprocal agreement to combat terrorism. 他们有相互配合的协定，共同与恐怖主义作斗争。
- He is honest only on the surface. 他只是表面诚实而已。
- polar reciprocal lines 配极(直)线
- 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
- In spite of vigilance a polar bear escape from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
