operation study
查询英语单词中文释义、音标、发音和例句。
operation study
英
[operation study]
美
[operation study]
中文释义
[经] 作业研究, 操作培训
单词分析
单词结构:
operation study
字母数:15
记忆提示
🎯 重点记忆:
- 单词拼写:operation study
- 核心含义:[经] 作业研究, 操作培训
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更新时间:2026-08-28 01:57:37