In fact, you may have heard about the new "superbugs", which are antibiotic-resistant bacteria that have developed as a result of overprescribed antibiotics.
事实上，你可能已经听说过新的“超级细菌”，它们是由于过量使用抗生素而产生的耐抗生素细菌。
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Some doctors say they are overprescribed and are often used for less-severe ailments like indigestion or upset stomachs.