“免疫力”造句

由于幼虫对药物有免疫力，因此必须经常喷药。
Because of the immunity of the immature insects, it'simportant to spray regularly.

成人往往对风疹有免疫力。
Adults are often immune to German measles.

新来的人对这一疾病在当地的几种类型缺乏免疫力.
The newcomers lacked immunity against local strains of the disease.

• #免疫力