那些离开该省出国打工的人大部分都未经专门训练。Most of those who left the province to work abroad were unskilled.出国度假需持有效护照。For foreign holidays you will need a valid passport.吴先生出国时由他代替。He will stand in for Mr Goh when he is abroad....
较常见的合并症有肺脓肿 、 脓胸及随后发生的支气管扩张症.Lung abscess, empyema and subsequent bronchiectasis are relatively common complications.报告了带蒂大网膜移植术治疗脓胸与肺脓肿54只犬的动物实验.We employed TPO to treat experimentally produced lung abscess in 54 dogs.目...