甲壳素 jiǎkésù chitin Definitions Defs Origin Strokes Stroke Words Sentences Sents 甲壳素 甲殼素 jiǎkésù chitin chitin; a fibrous substance consisting of polysaccharides that forms the major constituent in the exoskeleton of arthropods
甲壳素 甲殼素 jiǎkésù chitin chitin; a fibrous substance consisting of polysaccharides that forms the major constituent in the exoskeleton of arthropods
