extra-
/'ekstrә/
📖 中文释义
- pref. 在...之外, 超出, 越出
- [医] 外, 在外, 额外
🔗 释义中的汉语词
📘 English Definition（英文释义）
- A Latin preposition, denoting beyond, outside of; -- often
- used in composition as a prefix signifying outside of, beyond, besides,
- or in addition to what is denoted by the word to which it is prefixed.