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- The two systems of government are polar opposites. 这两种政体正好相反。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗?
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- 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
- hydrogen polarization 氢极化
- 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。
- Water may be resolved into hydrogen and oxygen. 水可以分解为氢和氧。
- 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 hydrogen is the known the lightest element. 氢是已知的最轻的元素。
- 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。
- Hydrogen and oxygen combine/Hydrogen combines with oxygen to form water. 氢与氧化合成水。
- Love and hatred are polar feelings. 爱与恨是完全相反的感情。
- A molecule of water consists of two atoms of hydrogen and one atom of oxygen. 水分子含有两个氢原子和一个氧原子。
- Water can be dissolved into hydrogen and oxygen. 水能分解成氢和氧。
- Both hydrogen and oxygen are elements. 氢和氧都是化学元素。