用“新鲜”一词的不同含义造句。     
1．食物没有变质，也没经过腌制。
                                                                                                  
2．花朵没有枯萎。 
                                                                                                   
3．空气经常流通，不含杂类气体。 
                                                                                                    
4．事物出现不久，还不普遍，少见。
                                                                                                     

【考点】造句

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