Health workers spread the word about the benefits of immunisation.
医疗工作者宣传关于接种疫苗的好处。
The disease was stopped in its tracks by immunisation programmes.
免疫方案阻止了这种疾病的蔓延。
Health workers spread the word about the benefits of immunisation.
医疗工作者宣传关于接种疫苗的好处。
The disease was stopped in its tracks by immunisation programmes.
免疫方案阻止了这种疾病的蔓延。
探索常用高频词汇