She is my patient, Derek. We're doing a bilateral prophylactic oophorectomy and hysterectomy tomorrow.

她是我的病人，Derek。明天我们做一个预防性的双侧卵巢及子宫切除术。

(4) Prophylactic measures, in a patient on prolonged mechanical ventilation via endotracheal tube, there is a risk for tracheal stenosis.

(4)预防措施：长时间经气管内插管进行机械通气的患者，存在气管狭窄的风险。

But prophylactics have allowed farmers to pack chickens into conditions that would once have been considered unthinkably cramped and dirty.

但是，预防措施使得农民可以把鸡塞进曾经无法想象的拥挤、肮脏的环境中。

They called their system prophylactic antiviral CRISPR in human cells.

他们将他们的系统称为人类细胞中的预防性抗病毒 CRISPR。

Should everybody do those exercises on a regular maybe even prophylactic basis?

DUBNER：每个人都应该定期甚至预防性地进行这些练习吗？

Prophylactic antibiotics can also be administered, to avoid outbreaks of bacterial meningitis like in households where individuals haven't been vaccinated against Neisseria meningitidis.

预防性抗生素也可以被给药，以避免细菌性脑膜炎发作，比如在有家属还没有接种脑膜炎奈瑟菌疫苗的家庭中。