panic buying
noun [ U ] uk/ˈpæn.ɪk ˌbaɪ.ɪŋ/ us/ˈpæn.ɪk ˌbaɪ.ɪŋ/
（因害怕不好的事即将发生而出现的）抢购，恐慌性购买
a situation in which many people suddenly buy as much food, fuel, etc. as they can because they are worried about something bad that may happen
The government admitted that there was a petrol shortage, but warned people against panic buying. 政府承认汽油短缺，但告诫人们不必抢购。