operation activity
查询英语单词中文释义、音标、发音和例句。
operation activity
英
[operation activity]
美
[operation activity]
中文释义
维护,保养;(设备的)运行
单词分析
单词结构:
operation activity
字母数:18
记忆提示
🎯 重点记忆:
- 单词拼写:operation activity
- 核心含义:维护,保养;(设备的)运行
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更新时间:2026-09-21 01:36:05