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英汉词典
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pin something down
pin something down
英
[pin something down]
美
[pin something down]
中文释义
确定,落实
单词分析
单词结构:
pin something down
字母数:18
记忆提示
🎯 重点记忆:
单词拼写:pin something down
核心含义: 确定,落实
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更新时间:2026-03-17 02:52:40