This paper aims at elaborating on the semantics. The concept of hyponymy is mentioned first. Then the concept of semantic fields is mentioned. In order to make
people pay more attention to the evaluation and research on Big Science. However, Little Science is the most suitable and inno vative science system that can pr
Communicative language teaching(CLT),as a language teaching approach,aiming at teaching second languages for the ultimate goal of communication,has been known a