Outer boundary
外边界
🧩 词语组成解析
outer
['aʊtɚ]
adj. 外面的，外部的;远离内部（中心）的;[哲]客观外界的，物质的;
n. 环外命中;
🗣️ 情景例句
What would you say is the most popular sport in your country, Mr. Lu?
陆先生，你们国家什么运动最流行？
Is this OK?
这样行吗？
Sensational News! By our reporter, Alan Jones. Karen Marsh arrived at London Airport today.
爆炸性新闻！由本报记者艾伦。琼斯报导。卡伦。马什今天到达伦敦机场。