0 a sudden event that causes very great trouble or destruction -- 大灾难；大灾祸
The emigration of scientists is a catastrophe for the country. 大量科学家移居国外对这个国家大为不利。
They were warned of the ecological catastrophe to come. 他们收到警告，生态灾难即将来临。
What this article says is that, in the case of natural catastrophes, national aid may be compatible.
Climate change has turned this summer into a catalogue of catastrophes.
The archaeology of geological catastrophes.
The effective population size in the presence of catastrophes.
The resultant decreased overall metabolic rate at decreased temperatures offers a greater margin of safety if there are any catastrophes with the apparatus used for bypass.
In contrast, environmental interactions that result in an overuse of common-property resources are not so easy to detect-at least, not unless some threshold is reached and catastrophes occur.
An understanding of the developments made in improving the ability of organisations to manage the risk of catastrophes occurring may provide useful lessons for child protection services.
Structurally, this required the transformation of the model from a 'safety net', providing interventions after clinical catastrophes, to a model focusing on health promotion and disease prevention.
