upper quadrant singl
查询英语单词中文释义、音标、发音和例句。
upper quadrant single arm semaphore signal
英
[upper quadrant single arm semaphore signal]
美
[upper quadrant single arm semaphore signal]
中文释义
un. 上向单臂板信号机
单词分析
单词结构：
upper quadrant single arm semaphore signal
字母数：42
记忆提示
🎯 重点记忆：
- 单词拼写：upper quadrant single arm semaphore signal
- 核心含义：un. 上向单臂板信号机
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更新时间：2026-09-20 21:01:13