flu

流感

The flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs.

流感是一种传染性呼吸道疾病，由流感病毒引起，感染鼻子、喉咙，有时还会感染肺部。

所以，Every year, it's important to get a flu vaccine during flu season.每年流感季节接种流感疫苗都很重要。

• influenza [,ɪnflu'ɛnzə]流感

• respiratory [ˈrɛspərəˌtɔri] 呼吸的

• vaccine[væk'sin] 疫苗

infectious disease

感染病

Infectious diseases are caused by bacteria and viruses.

感染病是由细菌和病毒引起的。

Infectious diseases that spread from person to person are contagious.人与人之间传播的感染病是传染性的。

contagious disease

传染病

Contagious diseases can be spread from person to person.

传染病可以在人与人之间传播

Flu, colds, and strep throat are some common contagious diseases.

流感、感冒和链球菌性喉炎是一些常见的传染病。

• strep throat 链球菌性喉炎

further transmission

进一步传播

Transmission means the act or process by which something is spread or passed from one person or thing to another.

某物从一个人或物传播或传递给另一个人或物的行为或过程。

During an epidemic, public health officials will isolate infected individuals and vaccinate their contacts to prevent further transmission.

在传染病高发期，公共卫生官员将隔离受感染的个人，并为其接触者接种疫苗，以防止进一步传播。

• isolate [aɪslˌet] 隔离

• epidemic [,ɛpɪ'dɛmɪk] 流行病

• vaccinate ['væksə'net] 打疫苗

可能造成死亡

Some diseases can present mortal danger to the patients if left untreated, like diabetes mellitus.

有些疾病如果不加以治疗，会对病人造成致命的危险，如糖尿病。

• diabetes mellitus 糖尿病

immune system

免疫系统

The immune system consists of the organs and processes of the body that provide resistance to infection and toxins

机体对感染和毒素具有抵抗力的器官和过程。

Eating a diet high in fruits and vegetables, not smoking, and maintaining a healthy body weight are some ways to bolster our immune systems.

多吃水果和蔬菜，不吸烟，保持健康的体重是一些增强我们免疫系统的方法。

• toxins [tɑksɪnz] 毒素

• bolster ['bolstɚ] 增强、支持