例句與造句

1. A general-purpose machine gun is usually a lightweight medium machine gun which can either be used with a bipod and drum in the light machine gun role or a tripod and belt feed in the medium machine gun role.
2. "' Green Roof Tax Credit "': Grants a 50 percent tax credit to homeowners whose roofs support living vegetation and include synthetic, waterproof membranes, draining layers, soil layers, and lightweight medium plants.
3. It's difficult to find lightweight medium in a sentence. 用lightweight medium造句挺難的