sixthn.六分之一;六度音num.第六
Sixth dorsal vertebra第六胸椎
Sixth War of Religion第六次宗教战争(1576-1577)
sixth annual round of第六次年度的
SIXTH MAN OF THE YEAR年度最佳第六人
Sixth left aortic arch第六左主动脉弓
sixth venereal disease[医] 性病性淋巴肉芽肿
sixth costal cartilage第六肋软骨
sixth-generation film第六代电影
Sixth thoracic vertebra第六胸椎
Sixth Five Year Project“六五”