单词:pion
音标:['paiɔn] ;
[化] π介子
n. a meson involved in holding the nucleus together; produced as the result of high-energy particle collision
词型变化:名词复数形式 : pions
词性分布:
pion的用法和样例:
例句
用作名词(n.)
- 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。
【近义词】
- pi-meson兀介子