例句與造句

1. Insects, bad food and bad water all pose threats, though vaccines, prophylatic drugs and common sense reduce the risk.
2. Caroline De Costa has argued that the adoption of ergometrine for prophylatic use and for treating haemorrhaging contributed to the decline in the maternal mortality rate in much of the West during the early 20th century.
3. It's difficult to find prophylatic in a sentence. 用prophylatic造句挺難的