但由于它们会使水一直加热直至沸腾，所以它们不能一直保留在原处或者无人看管。

There are also deicers designed for use in buckets, but since they can heat the water all the way to boiling, they cannot be left in place or unattended.

youdao

但由于它们会使水一直加热直至沸腾，所以它们不能一直保留在原处或者无人看管。

There are also deicers designed for use in buckets, but since they can heat the water all the way to boiling, they cannot be left in place or unattended.

youdao