In recent years scientists have learned that liquid water lurks under much of Antarctica's massive ice sheet, and so, they say, the potential microbial habitat in this watery world is huge.
近几年,科学家们研究发现在南极的多数厚重冰层下潜藏着流动水,据此他们推断在水世界中潜藏着巨大的的微生物群体。
Cholera is an acute intestinal infection caused by contaminated food or water. It causes watery diarrhea that can lead to severe dehydration and kill within hours if left untreated.
霍乱是一种由食物和水污染引发的急性肠道感染疾病,这种病会引发水泻(分泌性腹泻)从而导致严重脱水,如得不到及时治疗数小时就会要人的命。
There have been 50, 000 cases of acute watery diarrhoea in Somalia this year as pastoralists drink dirty water instead of the milk they used to get from animals, which have starved to death.
由于动物饿死无法提供畜奶,今年索马里的牧民得改喝不卫生的水,致使50,000人患急性水样腹泻。
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