wèi / le / yù / fáng / huài / xuè / bìng / chuán / yuán / men / měi / tiān / dōu / chī / xīn / xiān / shuǐ / guǒ

为了预防坏血病，船员们每天都吃新鲜水果。

To prevent scurvy, the sailors ate fresh fruit every day.