floor/wall units是什么意思？

floor/wall units

地板/墙壁组件

floor

n. 地面，地板，楼层，底部，议员席；vt. 铺地板，击败，打倒；

例句
According to police accounts, Mr and Mrs Hunt were found dead on the floor of their kitchen.
据警方称，亨特夫妇被发现死在家里厨房的地板上。

wall

n. 墙，屏障，隔阂，壁垒；vt.& vi. 筑墙围住，用墙隔开，围以墙；adj. 墙壁的；

例句
On a table pushed against a wall there were bottles of beer and wine.
在一张靠墙的餐桌上有啤酒和葡萄酒。

units

n. 单位，[药剂学]（药物、疫苗、血清、抗原等的）单位( unit的名词复数 )，装置，一件（商品），（栋公寓大楼中的一套公寓）单元；

例句
These front-line defences are backed up by armoured units in reserve.
前线的防务得到后备装甲部队的支援。