爷爷用一根弯曲的树枝来探测地下水源。
Grandpa uses a bent stick to ___dowse for underground water.
他们用水管很快就把篝火浇灭了。
They quickly ___dowsed the campfire with a hose.
他用一根树枝探测地下水源。
He was ___dowsing for underground water using a tree branch.