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。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- bagasse polarization 蔗汁旋光度
- 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。
- 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。
- 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。
- 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。
- Love and hatred are polar feelings. 爱与恨是完全相反的感情。
- 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
- Bagasse, Still a Cheap and Good Fibre for papermaking? 蔗渣还是廉价优良的造纸原料吗?
- The isolation and extraction of bagasse alkali-oxygen lignin (OLG). (一) 蔗渣原料的化学成分分析及氧脱蔗渣木质素(OLG)的分离提取。
- A polar bear has a preference for cold weather. 北极熊喜欢寒冷的天气。
- Alaska still is a land of iceberg and polar bear. 阿拉斯加现在仍是冰山和北极熊的世界。
- They have some very funny polar bears here. 他们这里有一些很有趣的北极熊。
- We have polar bears and a real iceberg too! 我们有北极熊，还有一座真正的冰山！
- Keesh lived at the edge of the polar sea. 季奚住在北极海的边缘上。
- Bagasse fibre: Fibre sometines used in paper-making obtained from sugar cane. 蔗渣纤维:甘蔗压榨后的蔗渣纤维，可作造纸用。
