| 单词 | 确定日期 |
| 释义 | 〔bond〕A written and sealed obligation, especially one requiring payment of a stipulated amount of money on or before a given day.正式合同：盖章的书面合同，尤指要求在确定日期或以前支付规定数量金额的合同〔chronology〕The science that deals with the determination of dates and the sequence of events.年代学：确定日期和事件顺序的科学〔dateless〕So ancient that no date can be determined.年代不可考的：古老得无法确定日期的 |
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