例句與造句

1. Effectiveness evaluation of strengthening training on incorporating the hepatitis b vaccination into epi and safe injection in gansu province
   甘肅省乙肝疫苗納入計劃免疫和安全注射基層強(qiáng)化培訓(xùn)效果評估
2. It's difficult to find safe injection in a sentence. 用safe injection造句挺難的