“Pteropoda”的概念、定义、翻译、参考文献-科学参考

单词	Pteropoda
释义	Pteropoda [tǝ`räp·ǝ·dǝ] ^{INVERTEBRATE ZOOLOGY} The sea butterflies, an order of pelagic gastropod mollusks in the subclass Opisthobranchia in which the foot is modified into a pair of large fins and the shell, when present, is thin and glasslike.
随便看	negative element negative elongation negative empathy negative feedback negative g negative gene control negative glow negative-grid generator negative-grid thyratron negative impedance negative-impedance repeater negative indication negative integer negative interference negative ion negative-ion vacancy negative landform negative lens negative logic negative meniscus lens negative mirror negative modulation negative movement negative nodal points negative part

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