| 例句 |
Once you have had a cold you build up immunity to that particular virus.你一旦患上感冒，你的身体就会产生抵御这种病毒的免疫力。My immune system is not as strong as it ought to be.我的免疫力比较差。This disease is surprisingly difficult to catch as most people have a natural resistance to it.由于多数人对这种病具有天然免疫力，所以发病率低得出奇。The island's inhabitants had no immunity to the diseases carried by the explorers and quickly succumbed.岛上居民对探险者携带的疾病没有免疫力，很快就病倒了。The herb is said to be an immune booster. 据说这种草药能增强人的免疫力。This innate immunity diminishes when birds are stressed by cold.鸟在受冻时，这种内在免疫力会逐渐减小。Birds in outside cages develop immunity to airborne bacteria.养在户外笼子里的鸟会对空气传播的细菌产生免疫力。They have developed an immunity to the virus.他们已经对这种病毒产生了免疫力。The newcomers lacked immunity against local strains of the disease.新来的人对这一疾病在当地的几种类型缺乏免疫力。High levels of stress may lower your immunity to common illnesses.压力过大会降低你对普通疾病的免疫力。Most people have no immunity against that virus.大多数人对那种病毒没有免疫力。The vaccine only confers immunity for a few months.这种疫苗只能提供几个月的免疫力。They have developed immunity to the virus.他们已经对这种病毒产生了免疫力。The virus debilitates the body's immune system.这种病毒会削弱身体的免疫力。He takes herbs to strengthen his immune system.他吃草药来增强免疫力。Many elderly patients die because, with a reduced immunity, winter ills too readily become pneumonia.很多老年病人死亡是由于免疫力降低使冬季的小病极易变成肺炎。A strong immunity to reinfection develops after one year.一年后会产生强大的免疫力，抵御再度感染。 |