释义 |
Immunization coverage 基本例句 免疫接种 Measles can be prevented by immunization at 1 year of age.麻疹可以通过一岁进行免疫接种而得到预防。 Vaccination coverage is improving in the Americas, but inadequate coverage remains a problem in many African countries.目前非洲免疫接种覆盖率正在改善,但覆盖率不足的问题在许多非洲国家依然存在。 |