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a busy signal
a busy signal
英
[a busy signal]
美
[a busy signal]
中文释义
佔线信号,忙音
单词分析
单词结构:
a busy signal
字母数:13
记忆提示
🎯 重点记忆:
单词拼写:a busy signal
核心含义:佔线信号,忙音
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更新时间:2026-04-01 15:36:53