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Sentence

フォトクロミック素そ材ざいは紫し外がい線せんで色いろが変かわる。

Span Details

フォトクロミック

素そ材ざい

ingredient; raw material; resource

は

topic marker

grammar

紫し外がい線せん

ultraviolet rays; UV radiation

location, means, cause, or scope marker

color; hue; shade

変かわる。

change; be transformed; vary