circulations 
            中文解釋 
            wordnet sense 
            Collocation Usage
            Collins Definition
            
Noun
/ˌsərkyəˈlāSHən/,

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circulations, plural; 
                    
                    
                        
        
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Movement to and fro or around something, esp. that of fluid in a closed system
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an extra pump for good water circulation
                                            
 
 
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The continuous motion by which the blood travels through all parts of the body under the action of the heart
                        
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The movement of sap through a plant
                        
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The public availability or knowledge of something
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his music has achieved wide circulation
                                            
 
 
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The movement, exchange, or availability of money in a country
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the new coins go into circulation today
                                            
 
 
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The number of copies sold of a newspaper or magazine
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the magazine had a large circulation