turpethin

例句：

1. 1.The petrol in the tank is running low.
   油箱里的汽油快用完了。
2. 2.The turtle's shell is made of hard, durable material.
   乌龟的壳是由坚硬耐用的材料制成的。
3. 3. Turtles are fascinating creatures that can live for many years.
   乌龟是一种令人着迷的生物，可以活很多年。