extra walker-on临时演员
Extra part-time课外兼职
extra wingker-on暂且演员;且则演员
extra wwoulsker-on且则演员
extra pseudo-order外加伪指令英语
Extra Large-A包装盒
extra well-done焦的
extra wwisker-on且自演员
Extra G-G政府机构之间
PREFIX（前缀） extra- is used to form adjectives indicating that something is outside something or is not part of it. 表示“在...外的” [正式]
The move was extra-constitutional.
此举在宪法的规定范围之外。