2. Seeing a word, hearing a word, saying a word and writing a word helps to make it part of your active vocabulary.
能够识别、听懂、口、笔头运用一个单词,才能说你掌握了它。
3. In terms of category of words, it can function as notional word, such as verb, pronoun, conjunction, as well as functional word, such as auxiliary word, emotional word, etc.
在词类上,它可以是实词,做动词、代词、连词等;也可以是虚词,做助词、语气词等。