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英汉词典
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be at one's books
be at one's books
英
[be at one's books]
美
[be at one's books]
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单词分析
单词结构:
be at one's books
字母数:17
记忆提示
🎯 重点记忆:
单词拼写:be at one's books
核心含义:用功地学习
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更新时间:2026-01-22 06:33:25