| 释义 | 
		dichotomy美 [daɪ'kɑtəmi]  英 [daɪ'kɒtəmi]  n. contrast,opposition,gulf,contradiction,separation 1.  | ~ (between A and B) 一分为二;二分法the separation that exists between two groups or things that are completely opposite to and different from each other  |  
 n.  | 1. a separation into two divisions that differ widely from or contradict each other 2. the division of each of a plant's branches into two more branches 3. the phase of the Moon or a planet when half of its surface appears illuminated by the Sun 4. a difference between two opposite things or ideas 1. a separation into two divisions that differ widely from or contradict each other 2. the division of each of a plant's branches into two more branches 3. the phase of the Moon or a planet when half of its surface appears illuminated by the Sun 4. a difference between two opposite things or ideas  |  
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