| 单词 | keystone mask |
| 释义 | Definition of keystone mask in English:keystone masknoun Architecture
OriginMid 19th century; earliest use found in John Timbs (1801–1875), author. Definition of keystone mask in US English:keystone masknoun Architecture
OriginMid 19th century; earliest use found in John Timbs (1801–1875), author. |
| 随便看 |
|
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。