pi-mesons 📖 中文释义 (pi-meson 的复数) [医] π介子 🧩 词形变化 原形 pi-meson 📘 English Definition(英文释义) plural of pi-mesonn a meson involved in holding the nucleus together; produced as the result of high-energy particle collision ← pi-meson P 字母词表 PIA →