A grammatical unit that is syntactically independent and has a subject that is expressed or,as in imperative sentences,understood and a predicate that contains at least one finite verb.

 
  • 句子句法上独立的语法单位,它有一个需要表达、或理解的主语和一个包含至少一个限定动词的谓语,如在祈使句中。
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