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1. The doctor discovered that a small amountof penicillin had entered herbloodstream, which could be dangerous forher health.
医生发现她血液中有少量的青霉素，这对她的健康可能是危险的。
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2. The patientwas given an antibiotic to treat the infectionin her arteries, which helped herrecover quickly.
患者被给予抗生素治疗她的动脉感染，这帮助她迅速康复。
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3. Researchers have found that certain bacteria can causeinflammation in the arteries, which maylead to heart disease.
研究人员发现某些细菌可以引起动脉炎症，这可能导致心脏病。