| 词汇 | expiration |
| 释义 | expiration /ekspəreɪʃn/ = expiry ☞ expiration ex·pir·a·tion /ˏɛkspə`reʃən; ˌekspɪˈreɪʃən/n [u]the end of a period of time in which an official document or agreement can be used ［文件或合约的］期满，终止; expiry bre 【英】:◇the expiration of the treaty 条约的期满 |
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