二的英語翻譯：

twin; two
【計(jì)】 binary-coded decimal; binary-coded decimal character code
binary-to-decimal conversion; binary-to-hexadecimal conversion
【醫(yī)】 bi-; bis-; di-; duo-

期的英語翻譯：

a period of time; expect; sheduled time
【化】 term
【醫(yī)】 period; phase; stadia; stadium; stage; time
【經(jīng)】 term

手術(shù)的英語翻譯：

operation; surgery
【醫(yī)】 operation