sal volatile/ˌsæl vəˈlætəlɪ; ˌsæl və`lætlˌɪ/ n[U]sharp-smelling solution of ammonium carbonate given to sb to sniff if he is faint or unconscious; smelling-salts 碳酸铵水; 挥发盐; 嗅盐.
牛津英汉双解词典