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1·Nurse sharks have razor sharp but small teeth that seldom penetrate deeply: Holding still reduces damage to both shark and man.

护士鲨有剃刀般锋利但很小的牙齿，很少能深入地穿透：“不动弹能够减少对鲨鱼和人类的伤害。”

2·Mitchell and colleagues found antibiotic-resistant bacteria in seven species of shark—such as bull sharks, lemon sharks, and nurse sharks—as well as the redfish Sciaenops ocellata.

米歇尔和他的同事们在七种鲨鱼里找到了耐抗生素的细菌，这些鲨鱼包括：蓝鲨，柠檬鲨，护士鲨和红拟石首鱼。石首鱼生活在伯利兹、佛罗里达、路易斯安那和马萨诸塞的沿海水域。