Some of the most resistant infections are caused by Gram-negative Acinetobacter, and by certain strains of Klebsiella and Pseudomonas species, according to Spellberg.

Spellberg说，一些最具耐药性的感染是由革兰阴性不动杆菌以及克雷伯菌和假单胞菌属的某些菌株造成的。

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A semisynthetic derivative of penicillin that is effective in the treatment of infections caused by certain susceptible strains of Gram-negative bacteria, such as Pseudomonas and Proteus.

盘尼西林的半合成衍生物，在治疗由革兰氏阴性细菌的某些过敏性菌系，如假单胞菌和变形杆菌引起的感染方面有疗效。

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They infected mice with two bacteria that are both common in lung infections - Pseudomonas aeruginosa and Staphylococcus aureus - and sampled their breath after 24 hours.

BBC: Lung infection identified using 'breath-print'