“清漆”造句

在纸板上涂两三层清漆使其变硬。
Give the cardboard two or three coats of varnish to harden it.

打磨木头的表面，为刷清漆做准备。
Rub the surface of the wood in preparation for the varnish.

需要刷三层清漆。
You will need to apply three coats of varnish.