crustaceans /krʌs'teɪʃnz/ 📖 中文释义 n. 甲壳纲动物(如蟹、龙虾)( crustacean的复数形式 ) 🧩 词形变化 原形 crustacean 📘 English Definition(英文释义) n. any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton ← crustacean C 字母词表 crustaceology →