1. 往楼下;顺楼梯而下;至楼下
If you go downstairs in a building, you go down a staircase towards the ground floor.
e.g. Denise went downstairs and made some tea.
丹尼丝下楼泡了茶。
2. 在楼下
If something or someone is downstairs in a building, they are on the ground floor or on a lower floor than you.
e.g. The telephone was downstairs in the entrance hall...
电话在楼下的门厅里。
e.g. Everybody was downstairs watching a movie.
大家都在楼下看电影。
3. 在楼下的;在一楼的
Downstairs means situated on the ground floor of a building or on a lower floor than you are.
downstairs是什么意思
e.g. She repainted the downstairs rooms and closed off the second floor.
她重新粉刷了楼下的房间，并把二楼封上了。
4. 楼下;底层
The downstairs of a building is its lower floor or floors.
e.g. The downstairs of the two little houses had been entirely refashioned.
两栋小楼的底层已经彻底翻修过。