医生建议每天服用维生素作为预防感冒的措施。

The doctor recommended taking daily vitamins as a prophylactic measure against colds.

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The doctor recommended taking daily vitamins as a prophylactic measure against colds.

prophylactic 来自希腊语 prophylaktikos(预防性的),由前缀 pro-(在前、预先)和 phylax(守卫)组成,字面意思是"提前防护的"。作为形容词时表示"预防性的",作为名词时指"预防措施或药物"。这里指"预防性的措施"。

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