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
How much does a return ticket cost?
返程票多少钱？
What do you want us to do?
您看怎么办好？
The team started work on a new section inside the ship near the front.
工作队在靠近船头的船舱里的一段新区开始工作。