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单词
cyrtoidae
释义
cyr·toi·dae
\sərˈtȯi(ˌ)dē\
noun plural
Usage:
capitalized
Etymology:
New Latin, from
cyrt- + -idae
:
a family of radiolarians widely distributed and often employed as a paleontological index group
— compare index fossil
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更新时间:2025/11/17 15:41:06