→作文｜I like to watch American movie so much, because it not only has the excellent plot, but also presents the exciting scientific scen…〔08-28〕

  →作文｜Many traditional arts are losing nowadays, because some of them have been replaced by the new machines and the scientific products…〔11-10〕

  →句子｜I am convinced that human is able to use Internet properly and scientifically. 我相信，人类能够正确的、科学的使用互联网。 ...…〔05-09〕

  →作文｜In short, scientific knowledge has helped open a window for the youngsters to know about the universe. I am sure that this activit…〔06-25〕

  →作文｜There is no doubt that it is important to find scientific and functional ways to lose weight. Here are some tips which can be foll…〔01-19〕

  →作文｜Breakfast is of great importance. Scientific reports show that a good breakfast helps one to get enough energy for the whole day's…〔05-15〕

  →美文｜科学理论 在科学，理论是对所观察事件的合理解释是相关的。理论通常包含一个虚构的模型，帮助科学家构想所观察到的事件是如何发生的。一个很好的例子是在分子运动理论中，气体被成由许多不断运动的小颗粒组成合照。 一个有用的理论，除了能够解释过去的观测...…〔05-15〕

  →英语｜In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model t…〔05-17〕