| 短语 | base sth on / upon | 
| 释义 | base sth on / upon sth to use something as the thing from which something else is developed以…为基础,以…为根据:•Their relationship was based upon mutual respect.他们之间的关系以相互尊重为基础。•an economy based on farming以农业为基础的经济 | 
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