pion
                                                    英 ['paɪɒn]
                                                                        美 ['paɪɑn]
                        
                
                
                
                    
                        - n. 介子
- n. (Pion)人名;(法、俄、罗)皮翁
 
                
                    
                                    
                
                                                                                                        pion 英文词源
                
                
                    
                        - pion (n.)
- 1951, from Greek letter pi + -on.
 
                
                                                    pion 双语例句
                
                
                    1. Two photons are created in the decay of the neutral pion.  双光子是在中性兀介子衰变中产生的. 来自辞典例句
 - 2. During its brief existence, the pion carries momentum from one nucleon to the other. 
- 在它短暂的存在期间内, 它将动量从一个核子带到另一个核子.
来自辞典例句