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Sentence

石せき油ゆ流りゅう出しゅつによる海かい洋よう汚お染せんが深しん刻こく化かしている。

Span Details

石せき油ゆ流りゅう出しゅつ

by; due to; depending on

海かい洋よう汚お染せん

marine pollution; ocean pollution

noun

深しん刻こく化か

becoming more serious; aggravation; intensification

noun, suru verb

light/support verb with a noun or noun-like phrase

-> するgrammar

ongoing or resultant state