prophyta

例句：

1. 1. The doctor advised the patient to take prophyta against the flu.
   医生建议病人服用预防流感的药物。
2. 2. The government has implemented several measures to prevent pollution from reaching the oceans.
   政府已经实施了多项措施，以防止污染物质流入海洋。
3. 3.To protect the environment, we need to take prophyta measures at home and in our communities.
   为了保护环境，我们需要在家里和社区采取防护措施。