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negative perforation
negative perforation
英
[negative perforation]
美
[negative perforation]
中文释义
底片片孔
单词分析
单词结构:
negative perforation
字母数:20
记忆提示
🎯 重点记忆:
单词拼写:negative perforation
核心含义:底片片孔
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更新时间:2026-03-17 13:57:14