→作文｜I like to watch American movie so …〔08-28〕
→作文｜Many traditional arts are losing n…〔11-10〕
→句子｜I am convinced that human is able …〔05-09〕
→作文｜In short, scientific knowledge has…〔06-25〕
→作文｜There is no doubt that it is impor…〔01-19〕
→作文｜Breakfast is of great importance. …〔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…〔05-15〕
→英语｜In science, a theory is a reasonab…〔05-17〕
