n.寬闊的區(qū)域
The region of this expanse beyond Earth's atmosphere. 太空地球大氣層以外的空間部分
A broad, level, open expanse of land. 原野，曠野一寬廣的、水平的、開闊的土地
There was a great expanse of desert before us. 我們面前有一片廣闊的沙漠。
