catastrophic

1.It has been predicted that the Earth will tilt on its axis,causing catastrophic famine and disease.

有人曾预言地球会导致大荒灾和疾病。

2.The results obtained show that airflow reversal of declensional ventilation is catastrophic and the reversal may occur even in higher quantity of ventilation airflow.

下行风流逆转在跨越临界点时有跳特征，巷道风量维持较高数值时仍有随时逆转可能性。