nannofossil
/ˈnænəʊˌfɒsl/(亦作nanofossil)
noun
- the fossil of a minute planktonic organism, especially a calcareous unicellular alga微化石。
词源
1960s: nanno- from nannoplankton (variant of NANOPLANKTON) + FOSSIL.
单词 | nannofossil |
释义 | nannofossil/ˈnænəʊˌfɒsl/(亦作nanofossil) noun
词源 1960s: nanno- from nannoplankton (variant of NANOPLANKTON) + FOSSIL. |
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