After the 1960 s, China began to inoculate BCG, pertussis, diphtheria, tetanus, measles and poliomyelitis vaccines.六十年代后, 中国开始在大、中城市接种卡介苗 、 百日咳 、 白喉 、 破伤风 、 麻疹、脊髓灰质炎的疫苗的工作....a program to inoculate every child in the sta...
A corps of doctors arrived to inoculate the recruits.一队医生来给新兵打防疫针.After the 1960 s, China began to inoculate BCG, pertussis, diphtheria, tetanus, measles and poliomyelitis vaccines.六十年代后, 中国开始在大、中城市接种卡介苗 、 百日咳 、 白喉 、 破伤风...
他们从童稚时代起就受着训诫, 象野兔似地被追来赶去.They had been lectured at, from tender years ; coursed , like little hares.他们从 童稚 时代起就受着训诫, 像野兔似地被追来赶去.They had been lectured at, from their tenderest years ; coursed , like little hares.感谢敬爱的老师...