Watch the stroke order, then trace it yourself.


vulcanization; sulfidation
sulfur; brimstone
sulfuric acid
sulfur dioxide
Sulfur dioxide emitted from factories is one of the main sources of air pollution.
After vulcanization, rubber becomes more elastic.
Volcanic eruptions release large amounts of sulfur dioxide.
Volcanic eruptions release sulfur gases.
Sulfuric acid is a highly corrosive chemical.
Explore characters by relationship
Characters pronounced "liu".
Characters with radical "石".