例句與造句

1. The paint roller typically consists of two parts : a " roller frame, " and a " roller cover . " The roller cover absorbs the paint and transfers it to the painted surface, the roller frame attaches to the roller cover.
2. The paint roller typically consists of two parts : a " roller frame, " and a " roller cover . " The roller cover absorbs the paint and transfers it to the painted surface, the roller frame attaches to the roller cover.
3. It's difficult to find roller frame in a sentence. 用roller frame造句挺難的