Definition: someone or something that could cause harm or damage Level: B2
污染对公众健康构成严重威胁。
Pollution poses a serious ___threat to public health.
气候变化是一个需要立即采取行动的全球性威胁。
Climate change is a global ___threat that requires immediate action.
这种新病毒被认为是对民众的一个重大威胁。
The new virus was considered a major ___threat to the population.
