您要查找的是不是：
- The two systems of government are polar opposites. 这两种政体正好相反。
- This school is for subnormal children. 这所学校是为低能儿童开的。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- polar subnormal 极次法距
- Special activity is designed in the hospital to meet the needs of subnormal. 医院为满足弱智者的需要而设计了特殊的活动。
- Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗？
- 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
- 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。
- Every normal operator is trivially subnormal. 每一个正规算子显而易见地是次正规的。
- The polar region is the habitat of the polar bear. 北极地带为北极熊的栖息地。
- Although they can swim, the polar bears are terrestrial animals. 北极熊虽然会游泳，但也是陆栖动物。
- He was born subnormal and will never learn to read. 他天生智力低下,永远无法学会阅读。
- In spite of vigilance a polar bear escaped from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
- At Berkshire, we have subnormal process. 在伯克希尔，我们的有低于正常的过程。
- The polar bear's habitat is the icy waters of the Arctic. 北极熊的栖息地是冰冷的北极海域。
- After the floods the harvests were subnormal. 洪水过后收成锐减。
- Love and hatred are polar feelings. 爱与恨是完全相反的感情。
- Subnormal b-wave were seen in electroretinography. 网膜电图显示低于正常的b波。
- Extending across or crossing either of the Polar Regions. 横越极地任一个横越或穿过两个极地地区中的
- A polar bear has a preference for cold weather. 北极熊喜欢寒冷的天气。
