Left alone on a desert island, I'd practise swimming so that I could escape.

独自一人被留在荒岛上，我要练习游泳以便能逃离。

youdao

Practise your sink downs and get focused on your exhalation. You'll enjoy your swimming more and your stroke will benefit greatly.

进行你的下沉练习并把重点放在你的呼气上，你将更享受你的游泳，你的划水也将大大受益。

youdao