1.Although I used to be a firefighter, I can't get used to putting on the cold, heavy, wet deep-sea per's suit to run the marathon.
尽管我曾经是一位消防员，但是我还是不能适应穿上这又冷、又重、又潮湿的深海潜水服去跑马拉松。
2.The deep-sea per had scarcely reached the bottom when a message came from the surface which left him in a dilemma.
深海潜水员刚小心翼翼地到达海底，水面上传来的一条消息让他进退两难。
3.The second is mining the deep sea per fishing: This is now the most commonly used method.
第二种是潜水员深海埰捞：这是现在最常用的方式。