常用工具
有声词典
语法查询
拼写检查
更多工具
软件
首页
动画
Flash
文章
软件
基本词义
英英双解
oa
n.办公自动化 [军] Operational Analysis,作战分析研究
难易程度:
oa为短语/超纲词汇
oa
Scioa is the Italian transliteration of Shewa, although the boundaries of the Italian province was not identical to the Ethiopian one.