海蛞蝓 hǎikuòyú sea slug Origin Definitions Defs Strokes Stroke Words Sentences Sents 海 hǎi noun sea ocean or sea; large bodies of water including salt lakes or large inland lakes蛞蝓 kuòyú slug A soft-bodied gastropod mollusk that looks like a snail without a shell; it lives in damp places and often harms garden crops. Also known as 蜒蚰 yányóu or informally as 鼻涕虫 bítìchóng.