氢卤酸qīng lǔ suān释义hydrohalic acid (e.g. hydrofluoric acid HF 氫氟酸|氢氟酸[qing1 fu2 suan1], hydrochloric acid HCl 鹽酸|盐酸[yan2 suan1] etc)单字详解氢qing卤lu酸suan