flu

禽流感

a type of flu that affects birds and can sometimes infect humans

一种影响鸟类，有时会感染人类的流感

重感冒

a severe case of flu

严重的流感

轻微感冒

a case of flu that is not severe

不严重的流感

禽流感

a type of flu that affects birds and can sometimes infect humans

一种影响鸟类，有时会感染人类的流感

肠胃感冒

an illness affecting the stomach and intestines

影响肠胃的疾病

大流行性流感

a global outbreak of a new flu virus

指有潜力引发全球大流行的流感病毒株。

肠胃炎

an illness affecting the stomach and intestines

肠胃炎的通俗说法，指以腹泻、腹部绞痛、恶心、呕吐和发烧为特征的肠道感染。

流感病毒

the virus that causes flu

导致流感的病毒。

流感季节

time when a lot of people suffer from flu

很多人患流感的时期

流感疫苗

a substance given to protect against the flu

用于预防流感的疫苗。

流感症状

the physical signs that someone has the flu, such as a high temperature and aching muscles

某人患流感的身体迹象，如高烧和肌肉酸痛

流感疫苗

an injection to protect against the flu

流感毒株

a particular type of the flu virus

一种特定类型的流感病毒。

流感大流行

a flu epidemic that spreads over a very wide area, such as a whole country or the world

用于描述全球性的流感爆发，通常在一般语境下使用。

流感疫苗接种

an injection to protect against the flu

预防流感病毒的疫苗接种

a situation where a large number of people in an area get the flu

流感爆发

the sudden start of a flu epidemic

流感的突然传播。

the virus that causes flu (informal)

流感疫苗针

an injection to protect against the flu

预防流感的注射

流感患者

a person who has caught the flu

感染了流感的人

流感病例

an instance of someone having the flu

某人患流感的实例

流感病毒株

a particular type or variety of the flu virus

流感病毒的特定类型或变种

一阵流感

a period of illness with the flu

患流感的一段时间

一场流感

a bout of flu (informal)

一阵流感（非正式）

得了一场流感

a period of being ill with the flu

生病患流感的一段时间

得了流感

to be suffering from the flu

患有流感

得了流感

to become infected with the flu

被流感感染

染上流感

to become infected with the flu

被流感感染

染上流感

to start to suffer from the flu

开始患上流感

患流感

to be ill with the flu, often for a period of time

因患流感而生病，通常持续一段时间

得了流感

to start to suffer from the flu

开始患上流感

因流感卧床

to be ill with the flu and confined to bed

因患流感而卧床不起

感染流感

to become infected with the flu (more formal)

感染流感（更正式）