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
The young couple started a family.
这对年轻的夫妇组成了一个家庭。
Why are you so scared? I don't bite.
我又不咬人，干嘛那么怕我？
Thanks, I'd like that.
谢谢，我非常乐意。