screen floor

例句：

1. 1. The screen floor is a crucial part of the TV set.
   屏幕地板是电视机的关键部分。
2. 2. The screen floor is made of glass, which makes it easy to clean.
   屏幕地板由玻璃制成，这使得清洁变得容易。
3. 3. The screen floor is designed to protect the electronic components inside the TV.
   屏幕地板设计用来保护电视机内部的电子元件。