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英汉词典
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be well up on
be well up on
英
[be well up on]
美
[be well up on]
中文释义
对 ... 消息灵通
单词分析
单词结构:
be well up on
字母数:13
记忆提示
🎯 重点记忆:
单词拼写:be well up on
核心含义:对 ... 消息灵通
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更新时间:2026-04-10 08:52:37