1.Much of mid-and northeastern America is in the middle of a deadly cold snap.
cold snap 寒流;寒潮
When people's azaleas froze in a cold snap, it was because he had breathed on them.
如果人们种的杜鹃花在寒流中冻僵了,那肯定是因为他向花上吹了气 。
2.The government has declared states of emergency in Wisconsin, Illinois and Michigan.
state of emergency 紧急状态
The government has declared a state of emergency.
政府宣布处于紧急状态 。