But the same radiation that kills cancer cells can also destroy healthy ones, causing side effects such as nausea and vomiting, skin sores and rashes, and weakness and fatigue.
但是放疗在杀死癌细胞的同时也会破坏正常的细胞，导致很多副作用，比如恶心，呕吐，皮肤痛和皮疹，还有虚弱和疲倦。
If you look at lower-middle income countries, such as China, or upper-middle income ones, like Argentina, you find that what kills people there is the same as in the West (see chart 2). Four-fifths.
看看中低收入国家(如中国)和中高收入国家(如阿根廷)的统计数据，你会发现这些国家和西方国家一样，导致人们死亡的原因是相同的(见表2)。
In others, such as that of the Rheinmaiden Lorelei, the siren is heartbroken and kills for revenge.
在其他传说中，比如罗蕾莱海妖，它因悲痛而杀人报复。
On average, it kills 20,000 Americans yearly, mostly the elderly who often have health problems, such as heart disease.
每年平均有两万美国人死于流感，大部分是患有心脏病等其他疾病的老年人。
On average, it kills 20,000 Americans yearly, mostly the elderly who often have health problems, such as heart disease.
每年平均有两万美国人死于流感，大部分是患有心脏病等其他疾病的老年人。
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