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英汉词典
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at work upon
at work upon
英
[at work upon]
美
[at work upon]
中文释义
从事于, 忙于
单词分析
单词结构:
at work upon
字母数:12
记忆提示
🎯 重点记忆:
单词拼写:at work upon
核心含义:从事于, 忙于
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更新时间:2026-01-30 02:35:04