”shoe molding“啥意思呀 （关于地板打磨前准备工作的）

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请教一下大家 “shoe molding” 在这里指的是什么呀？有谁能帮我翻译下这段话吗，谢谢先
Before beginning to sand, remove all the shoe molding (the baseboards are usually left in place). To remove the shoe molding, use a utility knife to carefully cut through any thick paint layers between the baseboards and the molding. Carefully pry the molding loose with a pry bar and a wooden wedge so as not to mar the baseboards. Number each piece so you will know where it goes when you are ready to replace it.

这段话的出处的链接如下：
http://www.doityourself.com/stry/hardwoodfloorpresand

K

Shoe molding: used at the bottom of the baseboard to cover a small gap between the flooring and the baseboard.