backpacks 

  1. 名詞
backpack複數: 背包

    同義字詞
knapsack,pack,packsack,rucksack

  2. 動詞
backpack第三者單數現在式:
不及物動詞:
背包旅行
背負簡便行李旅行
及物動詞:
把...(物)放入背包

    
                        
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例句

                

                    
    
                                                    
  1. 
                                Hiking may or may not use backpacks .                            
    2. 
                                                    
  2. 
                                Freddie got their backpacks from the closet.                            
    3. 
                                                    
  3. 
                                Most of our backpacks have a zip-off daypack.                            
    4. 
                                                    
  4. 
                                No backpacks or bags are allowed inside Monster's.                            
    5. 
                                                    
  5. 
                                Neither adult nor kid-sized backpacks are allowed.                            
    6.