Pure feldspar is a colorless transparent mineral

She is a pure girl.（英译中)

Shaped like a man, an Oscar, the Academy Awards, is made of pure gold.A．YB．NC．NG

The amount of fluid friction or internal friction inherent in a mineral lubricating oil is

Furniture made of pure wood is certainly more expensive than______made of other materials.

The process of rescuing trapped miners is slow due toA．the difficulties of getting down in

Tibet is a good place to enjoy the unique and imposing scenery while admiring the pure blu