- the original gunpowder, composed of charcoal, saltpeter, and sulfur, now used chiefly in antique firearms and in fireworks.
noun: black powder
...murder people in a home travelling! Gunpowder, also called black powder, which is mixed by three kinds of powder, potassium nitrate, sulfur...
..., celery soup sugar, red wine batter Italian spices salt and black pepper powder 1. Onion, carrot, celery, tomatoes were washed ...
...絕大部分轉化成光能呈現在我們眼中。 All fireworks structure include black powder and fuse. When fuse is lighted, there will be chemical reaction...