endemic
[ɛnˈdɛmɪk]
adj.
某地特有的;
（尤指疾病）地方性的;
风土的;
（动，植物）某些特产的;
n.
地方病;
某地特产的植物[动物];
例句:
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Polio was then endemic among children my age.
那时小儿麻痹症在我这个年纪的孩子中很常见。
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Street crime is virtually endemic in large cities.
街头犯罪近乎是大城市的通病。
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Malaria is endemic in many hot countries.
疟疾是许多气候炎热国家的流行病。
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Barbarism and political savagery are endemic in human affairs.
来自G. Steiner
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Curfews, 'roundups', and arrests became endemic.
来自D. Acheson
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Corruption is rife and unemployment and illiteracy are endemic.
来自BBC