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- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- We can use solar energy to do many things today. 如今，我们可以利用太阳能做很多事情。
- They accurately predicted solar eclipses. 他们精确地预告了日蚀。
- The solar system was formed 4.5 billion years ago. 太阳系是四十五亿年前形成的。
- The space program is the evolution of years of research. 太空计划是多年研究的发展结果。
- He gave a lecture on the use of solar energy. 他就太阳能的利用作了一场讲演。
- Darwin put forth the theory of evolution,. 达尔文提出了进化论。
- A mechanical model of the solar system. 太阳系仪太阳系的机械模型
- Do you know about the evolution of a seed into a plant? 你知道从种子发展成为植物的过程吗？
- Our watchword is: Evolution, not revolution'. 我们的口号是: ｀要循序渐进，不要剧烈变革.;＇
- The scientist is thinking of a new way of tapping the solar energy. 科学家正在设想一种新的利用太阳能的方法。
- Darwin spend more than twenty year work on his theory of evolution. 达尔文花了二十余年时间研究他的进化论。
- The number of known satellites in the solar system rose to 32. 太阳系里已知的卫星数量增加到三十二个。
- In politics Britain has preferred evolution to revolution. 在政治上，英国喜欢渐进而不喜欢革命。
- Today is her birthday according to the solar calendar. 按照阳历,今天是她的生日。
- Our political institutions are in continuous evolution. 我们的政治制度正在不断发展中。
- Solar calculator shall be wrapped up in seaworthy waterproof paper. 太阳能计算器应以适于航海的防水纸包装。
- This is a clear exposition of the theory of evolution. 这是对进化论的清晰的阐述。
- The evolution of heat from the sun is inestimable. 从太阳中放射出的热是无法估计的。
- We studied the evolution of flowers from seeds and buds. 我们研究从种籽和花蕾到花的成长过程。
