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
You have a great future.
你前途无量。
She likes you a lot.
她对老兄你很倾心。
After a little time, she chose one of the most expensive dresses in the shop and handed it to an assistant who wrapped it up for her as quickly as possible.
过了一会儿，她又选了商场里最昂贵的一件衣服，把它递给了售货员。那售货员以最快的速度为她包好了衣服。