earache
[名词]
a pain inside the ear

耳痛, 耳朵疼
Ex: Wearing earplugs in a noisy environment can prevent earache.
flu
[名词]
an infectious disease similar to a bad cold, causing fever and severe pain

流感, 流行性感冒
Ex: Wearing a mask can help prevent the spread of flu.
to smoke
[动词]
to breathe in and out the smoke of a cigarette, pipe, etc.

抽烟, 吸烟
Ex: She went outside smoke a cigarette .
to die
[动词]
to no longer be alive

死, 去世
Ex: The soldier sacrificed his life , willing die for the safety of his comrades .
fever
[名词]
a condition when the body temperature rises, usually when we are sick

发烧, 热
Ex: She developed fever after being exposed to the virus .
illness
[名词]
the state of being physically or mentally sick

病, 疾病
Ex: His illness worried everyone in the office .
headache
[名词]
a pain in the head, usually persistent

头痛, 偏头痛
Ex: Too much caffeine can sometimes cause headache.
backache
[名词]
a pain in someone's back

背痛, 腰痛
Ex: My dad often suffers backache after a long day at work .
toothache
[名词]
pain felt in a tooth or several teeth

牙痛, 牙齿疼痛
Ex: She scheduled an appointment with her dentist to treat toothache.
virus
[名词]
a microscopic agent that causes disease in people, animals, and plants

病毒, 病菌
Ex: Washing your hands can help prevent the spread viruses.
pollution
[名词]
a change in water, air, etc. that makes it harmful or dangerous

污染, 污染物
Ex: pollution caused by plastic waste is a growing environmental crisis .
stomachache
[名词]
a pain in or near someone's stomach

胃痛, 肚子痛
Ex: stomachache was so severe that he had to visit the hospital .

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