使用一个有断流器的水壶，这样水开后它会自动断电。

Use a kettle with an automatic cut-out so it doesn't boil for longer than necessary.

《柯林斯英汉双解大词典》

使用一个有断流器的水壶，这样水开后它会自动断电。

Use a kettle with an automatic cut-out so it doesn't boil for longer than necessary.

《柯林斯英汉双解大词典》