1.room, hall, stadium +变得空无一人
The stadium emptied at the end of the match.体育场在比赛结束后空无一人。
There was a terrible smell, and the room emptied in seconds.房间里有一种难闻的味道, 几秒钟内人就都走空了。
2.to empty into sth
(flow)liquid +流出；被排出
The raw sewage empties into the river.未经处理的污水排入了河里。
river +流入；注入
The Washougal empties into the Columbia River near Portland.沃舒格尔河汇入波特兰附近的哥伦比亚河。