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- 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。
- Plasmodium polare 极鸟疟原虫
- 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。
- More than 50 species of this plasmodium attack animals. 有50多种这样的疟原虫侵害着动物。
- 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 large number of grume granules exist in plasmodium. 原质团中存在大量的黏液颗粒。
- 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。
- Malaria is caused by a one-celled parasite called a plasmodium. 疟疾是由称为疟原虫的一种单细胞寄生虫造成的。
- Finding a vaccine for Plasmodium has been an elusive goal. 寻找防治疟原虫的疫苗，一直是个难于达到的目标。
- 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！
