本期内容：

Scientists say they have engineered a new antibiotic that appears promising in early clinical trials. The drug, made by Shionogi Inc, acts like the Trojan horse in Greek legend to trick bacteria into allowing it to enter. Trials on 448 people with a kidney or urinary tract infection suggested the drug was as effective as current treatments.

engineer: vt. 设计；制作 n. 工程师
antibiotic: n. 抗生素
promising: adj. 有希望的；有潜力的
clinical trials: 临床试验
Trojan horse: 特洛伊木马
kidney: n. 肾
urinary tract: 尿道
infection: n. 感染

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