sub-floor
基本解释
- 底層地板
英汉例句
- main and sub floor structure system
主次梁板結搆躰系 - Don't scrape your feet on the floor.
別用腳蹭著地板。 - The tables are firmly fixed to the floor.
桌子都牢牢地固定在地板上。 - I had to sub for the referee, who was sick.
裁判病了，我得代爲裁判。 - The book hit the floor with a thud.
這書砰的一聲落在地板上。