catastrophe

海啸是一场规模空前的灾难。

The tsunami was a ___catastrophe of unprecedented scale.

长期的干旱使该地区濒临灾难。

The prolonged drought brought the region to the brink of ___catastrophe.

干旱过后，该国正面临一场环境灾难。

After the drought, the country is facing an environmental ___catastrophe.