Outer boundary
外邊界
?? 詞語組成解析
outer
['a?t?]
adj. 外面的，外部的;遠離內部（中心）的;[哲]客觀外界的，物質的;
n. 環外命中;
??? 情景例句
You have a great future.
你前途無量。
She likes you a lot.
她對老兄你很傾心。
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.
過了一會兒，她又選了商場里最昂貴的一件衣服，把它遞給了售貨員。那售貨員以最快的速度為她包好了衣服。