桌子上有一层灰。
There is a layer of dust on the table.
ash; dust; lime
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
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Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
桌子上有一层灰。
There is a layer of dust on the table.
椅子上都是灰。
The chair is all dusty.