operation sign
查询英语单词中文释义、音标、发音和例句。
operation sign
英
[operation sign]
美
[operation sign]
中文释义
行车标志
单词分析
单词结构:
operation sign
字母数:14
记忆提示
🎯 重点记忆:
- 单词拼写:operation sign
- 核心含义:行车标志
最近查询:
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更新时间:2026-08-31 12:55:09