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.The prompt administration of diphtheria antitoxi...
Parents are advised to have their children immunized against diphtheria.建议家长让孩子接种抗白喉疫苗.The doctor diagnosed my illness as diphtheria.医生诊断我的病为白喉.As diphtheria antitoxin is a foreign protein.白喉抗毒素是并性蛋白....
The methods employed are old-fashioned and uneconomical.采用的方法很老套，没什么效益。Aspheric optical parts manufacturing is an acknowledged difficulty and it is uneconomical.非球面光学零件加工是当前国内外公认的难题.The methods employed are old-fashioned...
边门两旁,是两株瘦小的苹果树那多节的桠枝.Two stunted apple trees raised their gnarled andbranchesside of the wicket gate.左边脊柱多节的赘生物是由退变性骨关节炎引起的.The knobby excrescences at the left side of this vertebral column are due to degenerative osteoa...
an illusory sense of freedom虚幻的自由感It'seemed to an idealistic and illusory dream.那似乎是个不切实际、理想主义的美梦.It seemed to an idealistic and illusory dream.那似乎是个不切实际、理想主义的美梦。...