calamity的解释
n. 灾难,不幸事件
calamity的例句
More than 50 people were killed in this calamity.
这次灾难中有五十多人丧生。

The attack on Pearl Harbor was a crushing calamity.
偷袭珍珠港（对美军来说）是一场毁灭性的灾难。