The surface of the dust with a duster, flushing with brush again, the dust removing deep slot.

用掸子将它表面的灰尘掸掉，在冲水前用刷子刷一遍，清除深入缝隙的灰尘。

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The surface of the dust with a duster, flushing with brush again, the dust removing deep slot.

用掸子将它表面的灰尘掸掉，在冲水前用刷子刷一遍，清除深入缝隙的灰尘。

youdao