这种想法是建立在塑料菜板可以比木菜板更加容易彻底清洁的假设之上的。
It was assumed that plastic could be cleaned more easily and more thoroughly than wood.
通常是高大的木墙，设置不同角度的硬质塑料岩点。
They are usually tall wooden walls with hard plastic handholds set at various angles.
有塑料瓶、牙签、木签、卫生纸，等等。
There are plastic bottles, toothpick, wooden sign, toilet paper, etc.
有塑料瓶、牙签、木签、卫生纸，等等。
There are plastic bottles, toothpick, wooden sign, toilet paper, etc.
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