“Hydrozoa”的概念、定义、翻译、参考文献-科学参考

单词	Hydrozoa
释义	Hydrozoa [´hī·drǝ`zō·ǝ] ^{INVERTEBRATE ZOOLOGY} A class of the phylum Cnidaria which includes the fresh-water hydras, the marine hydroids, many small jellyfish, a few corals, and the Portuguese man-of-war.
随便看	bottom bottom blow bottom break bottom chord bottom dead center bottom dump bottomed hole bottom fauna bottom fermentation bottom flow bottom hold-down bottom hole bottom-hole assembly bottom-hole cash bottom-hole choke bottom-hole packer bottom-hole plug bottom-hole pressure bottom-hole pressure bomb bottom-hole pump bottom-hole samples bottom-hole separator bottom-hole temperature bottom ice bottoming drill

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