曲菌性心内膜炎

A acceptable daily intake (ADI) 每人每日容许摄入量 acclimatization 气候适应 accumulate 蓄积 acetylandromedol 乙酰柽木醇毒 acceptable risk level 可接受的危险水平 acid-forming food 成酸性食品 Achromobacterium 无色菌属 Act for preventing the adulterati

发表于:2019-01-08 / 阅读(235) / 评论(0) 分类 英文语法词汇

STEVE INSKEEP, HOST: Doctors are describing a group of opioid addicts as the sickest of the sick. These are IV drug users, mostly heroin addicts who get infections in their hearts. They're being wheeled into hospitals around the country. Treating the

发表于:2019-01-16 / 阅读(250) / 评论(0) 分类 2017年NPR美国国家公共电台3月
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