【化】 Macquer's salt; monopotassium arsenate; potassium dihydrogen arsenate
【化】 arsenic acid
【医】 arsenic acid; ortho-arsenic acid
twin; two
【计】 binary-coded decimal; binary-coded decimal character code
binary-to-decimal conversion; binary-to-hexadecimal conversion
【医】 bi-; bis-; di-; duo-
hydrogen
【医】 H; hydr-; hydro-; hydrogen; light hydrogen
【医】 K; kali; kalii; kalium; potassium