一句话一个克林斯字典基本单词B

71、beautiful        
      A beautiful person is very attractive to look at.
    

72、beauty        
      Beauty is the state or quality of being beautiful.
    

73、because        
      You use because when stating the reason for something.
      

74、become        
    If someone or something becomes a particular thing, they start to change and develop into that thing, or start to develop the characteristics mentioned.
   

75、bed        
      A bed is a piece of furniture that you lie on when you sleep.
   

76、bed down            
            If you bed down somewhere, you sleep there for the night, instead of in a bed.
   

77、bedroom        
            A bedroom is a room used for sleeping in.
      

78、been        
 
    Been is the past participle of be.
   
   
    If you have been to a place, you have gone to it or visited it.
   

79、beer        
            Beer is a bitter alcoholic drink made from grain.
    

80、before        
       In addition to the uses shown below, before is used in the phrasal verbs `go before' and `lay before'.

      If something happens before a particular date, time, or event, it happens earlier than that date, time, or event.