Héwǔ kuòsàn shì dāngjīn shìjiè zuì yánjùn de tiǎozhàn zhīyī.
Nuclear proliferation is one of the most serious challenges in the world today.
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usage
核武 is a shortened form of 核武器. Both forms are used in news and political discourse. 核 alone can prefix many nuclear-related terms: 核电 (nuclear power), 核试验 (nuclear test).
