manually operated si
查询英语单词中文释义、音标、发音和例句。
manually operated signal
英
[manually operated signal]
美
[manually operated signal]
中文释义
人工操纵交通信号
单词分析
单词结构：
manually operated signal
字母数：24
记忆提示
🎯 重点记忆：
- 单词拼写：manually operated signal
- 核心含义：人工操纵交通信号
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更新时间：2026-09-05 00:05:07