[Business English]

Pronunciation of fluorine: [fú]

Radical: five strokes: RNXJ

Explanation: A gaseous element, pale yellow, smelly and toxic. Liquid fluorine can be used as oxidant for rocket fuel. Fluorine-containing plastics and fluorine-containing rubber have excellent properties.

Benzene pronunciation: [běn]

Radical: five strokes: ASGF

Explanation: An organic compound, a colorless liquid with a special smell, can be extracted from coal tar and petroleum, and is a raw material and solvent for many chemical industries.