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单词
protoconch
释义
pro·to·conch
\ˈprōd.ə+ˌ-\
noun
Etymology:
International Scientific Vocabulary
prot- + conch
1.
:
the embryonic shell of a mollusk (as a univalve)
2.
:
the apical chamber or whorl of an ammonite or gastropod
•
pro·to·conchal
\| ̷ ̷ ̷ ̷+\
adjective
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更新时间:2026/6/18 4:49:10