乙[yǐ]

名the second of the ten Heavenly Stems (天干)
数second

♦ ~等 second class; Class B

代(used for an unspecified person or thing)

♦ 某甲与某~ Mr. A and Mr. B

♦ 甲方和~方 the first party and the second party

♦ 甲队和~队 team A and team B