making drugs into frostlike powder

例句：

1. 1. The engineer madea model of the new car.
   工程师制作了新款汽车的模型。
2. 2. Thescientist made a discovery thatchanged our understanding of the universe.
   科学家发现了一项改变我们对宇宙理解的发现。
3. 3. The artist made a painting thatwas exhibited in an art gallery.
   艺术家创作了一幅在艺术馆展出的画作。