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the back of an envelope
the back of an envelope
英
[the back of an envelope]
美
[the back of an envelope]
中文释义
粗略的估算(或计划)
单词分析
单词结构:
the back of an envelope
字母数:23
记忆提示
🎯 重点记忆:
单词拼写:the back of an envelope
核心含义: 粗略的估算(或计划)
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更新时间:2026-02-01 21:58:47