C1 noun moʊst ˈvʌlnərəbəl ˈneɪʃən
most vulnerable nation
最脆弱的国家
Meaning
A country that is highly exposed to risks and lacks adequate protection or resilience.
Example
Bangladesh is one of the most vulnerable nations to climate change.
孟加拉国是气候变化最脆弱的国家之一。