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7Spans
Sentence
Span Details
原発事故
nuclear power plant accident; nuclear accidentnoun
で
location, means, or scope markergrammar
放射性
radioactivenoun
汚染物質
pollutant; contaminantnoun
が
subject markergrammar
拡散
spreading; dissemination; scattering; diffusion (light, gas, etc.)noun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar