海洋污染 hǎiyángwūrǎn marine pollution Origin Definitions Defs Strokes Stroke Words Sentences Sents 海洋 hǎiyáng noun ocean seas and oceans; the vast body of saltwater covering most of the Earth's surface污染 wūrǎn verbnoun pollution; to pollute pollution; contamination; to pollute or contaminate (physically or figuratively)