improvement scheme
查询英语单词中文释义、音标、发音和例句。
improvement scheme
英
[improvement scheme]
美
[improvement scheme]
中文释义
改进方案
单词分析
单词结构：
improvement scheme
字母数：18
记忆提示
🎯 重点记忆：
- 单词拼写：improvement scheme
- 核心含义： 改进方案
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更新时间：2026-09-20 04:42:42