| 单词 | surface-harden |
| 释义 | Definition of surface-harden in English:surface-hardenverb Metallurgy
OriginMid 19th century; earliest use found in Repertory Patent Inventions. Definition of surface-harden in US English:surface-hardenverb Metallurgy
OriginMid 19th century; earliest use found in Repertory Patent Inventions. |
| 随便看 |
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。