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investigate at first hand
investigate at first hand
英
[investigate at first hand]
美
[investigate at first hand]
中文释义
直接调查
单词分析
单词结构:
investigate at first hand
字母数:25
记忆提示
🎯 重点记忆:
单词拼写:investigate at first hand
核心含义:直接调查
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更新时间:2026-01-07 19:05:47