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perpetual annuity
perpetual annuity
英
[perpetual annuity]
美
[perpetual annuity]
中文释义
[医] 无限期年金 [经] 终身年金
单词分析
单词结构:
perpetual annuity
字母数:17
记忆提示
🎯 重点记忆:
单词拼写:perpetual annuity
核心含义:[医] 无限期年金 [经] 终身年金
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更新时间:2026-01-06 05:33:58