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单词	astacin
释义	astacin noun as·​ta·​cin ˈastəsə̇n variants or less commonly astacene -ˌsēn plural -s : a red carotenoid ketone pigment C40H48O4 found especially in crustaceans (as in boiled lobster shell) and obtained by oxidation of astaxanthin Word History Etymology International Scientific Vocabulary astac- (from New Latin Astacus) + -in or -ene
随便看	polytrochal polytrochous polytrophic polytropic polytype polytypes polytypic polytypical red dead nettle red deal red deer Red Delicious red desert soil red diarrhea red dog red dogwood red drum red duster red dwarf red dwarfs red dysentery red earth red eft red elder red elm

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