例句與造句

1. A model of the inner bell is then constructed of stone and coated with fireproof cement.
2. These included a waterproof and dust-repelling cream or varnish for clothes and weapons, fireproof cement for glass and porcelain wares, a waterproof cream applied to silk clothes of underwater divers, a cream designated for polishing bronze mirrors, and many other useful formulas.
3. It's difficult to find fireproof cement in a sentence. 用fireproof cement造句挺難的