yà​liú​suān

sulfurous acid

亚硫酸 亞硫酸 yà​liú​suān
sulfurous acid
sulfurous acid, a colorless chemical substance with a sulfur odor that exists only in aqueous solution and is used for bleaching or as well as a reducing agent

Frequency

Movie subtitles
0.090 per million appears in 0% of films
Written text
0.304 per million

Sources