retrofitting
📖 中文释义
- n. 改装
🔗 释义中的汉语词
🧩 词形变化
原形 retrofit
📘 English Definition（英文释义）
- v provide with parts, devices, or equipment not available or in use at the time of the original manufacture
- v fit in or on an existing structure, such as an older house
- v substitute new or modernized parts or equipment for older ones