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单词 class Hydrozoa
释义
class Hydrozoa
(once / 5909656 pages)
n

WORD FAMILY
class Hydrozoa
USAGE EXAMPLES
The simplest in structure of the cœlenterates are those that constitute the class Hydrozoa.
Annandale, Nelson, Freshwater Sponges, Hydroids & Poly...(2011)
Other cœlenterates, of the same essential type but of simpler structure, form the class Hydrozoa.
Various, The Contemporary Review, Volume 36,...(2010)
n coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes
Syn|Hyper
Hydrozoa
class
(biology) a taxonomic group containing one or more orders
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