be up and doing
查询英语单词中文释义、音标、发音和例句。
be up and doing
英
[be up and doing]
美
[be up and doing]
中文释义
活跃,忙碌
单词分析
单词结构：
be up and doing
字母数：15
记忆提示
🎯 重点记忆：
- 单词拼写：be up and doing
- 核心含义：活跃,忙碌
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更新时间：2026-09-21 17:57:03