释义 |
pi-meson 英'paɪm'iːsən美'paɪm'iːsən BNC¹⁴⁴⁶⁶⁴⁺³ 基本英英搭配记法近义反义 n.兀介子¹⁰⁰
Noun: a meson involved in holding the nucleus together; produced as the result of high-energy particle collisionnegative pi-meson radiation therapy负π介子放射治疗, …pi mesonπ介子 pi-meson⇒n.兀介子近义词 pionπ介子 |