dou·ble boil·er
noun/ˌdʌbl ˈbɔɪlə(r)/
/ˌdʌbl ˈbɔɪlər/
- a cooking pot consisting of two pans, one inside the other. The upper pan is heated by boiling water in the lower pan.
双锅：由两个锅组成的锅，一个在另一个内。上锅由下锅中的沸水加热。 - Melt the chocolate in a double boiler.
用双层蒸锅把巧克力化开。
- Melt the chocolate in a double boiler.