| 单词 | proto- |
| 释义 | proto- or sometimes before a vowel prot- combining form 1. indicating the first in time, order, or rank protomartyr 2. primitive, ancestral, or original prototype 3. indicating the reconstructed earliest stage of a language Proto-Germanic 4. indicating the first in a series of chemical compounds protoxide 5. indicating the parent of a chemical compound or an element protactinium Word origin from Greek prōtos first, from pro before; see pro-2 |
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英语词典包含233703条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。