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be engaged in researches
be engaged in researches
英
[be engaged in researches]
美
[be engaged in researches]
中文释义
从事研究
单词分析
单词结构:
be engaged in researches
字母数:24
记忆提示
🎯 重点记忆:
单词拼写:be engaged in researches
核心含义:从事研究
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更新时间:2026-02-21 20:21:43