| 单词 | chi particle |
| 释义 | chi particle音节分段：chi particle; AHD音标：ko, k?; 国际音标：ka!, ki8; 美国音标：ka!, ki; An electrically neutral meson having a mass 6,687 times that of the electron and a mean lifetime of approximately 1.5 × 10-20 seconds. |
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