| 单词 | 存在期 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔existence〕Throughout its entire existence, it has been a deeply contested concept.这一概念在其整个存在期间一直极受争议。牛津搭配〔lifetime〕The period of time during which property, an object, a process, or a phenomenon exists or functions.存在期，有效期：某种性质、物体、过程或现象存在或起作用的一段时间美国传统〔strange particle〕An unstable elementary particle created in high-energy particle collisions having a short life and a strangeness quantum number other than zero.奇异粒子：不稳定的基本粒子，因高能粒子相撞而产生，具有很短的存在期和不同于零的奇异量子数美国传统 |
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