slobber|slobbered|slobbering

狗狗看到食物时兴奋得流口水。

The dog started to ___slobber excitedly when it saw the food.

狗狗看到食物时兴奋地流口水。

The dog ___slobbered excitedly when it saw the food.

婴儿长牙时经常流口水。

The baby is ___slobbering a lot while teething.