research and develop
查询英语单词中文释义、音标、发音和例句。
research and development expenses
英
[research and development expenses]
美
[research and development expenses]
中文释义
研究开发费用
单词分析
单词结构：
research and development expenses
字母数：33
记忆提示
🎯 重点记忆：
- 单词拼写：research and development expenses
- 核心含义：研究开发费用
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更新时间：2026-09-26 14:28:31