例句：

　　Keep the kettle at the boil.

　　使水壺里的水保持沸騰。

　　You need a new element in the kettle.

　　你的燒水壺需要換個(gè)新的配件。

　　She filled a large kettle with oil and set it on a fire.

　　她將一只大水壺盛滿油放在火上燒。