marine microorganism having a calcareous shell with openings where pseudopods protrude
双语例句
1. The foram record includes a global warming event that provides a warning for our own times.
有孔虫身上的记录就包括了全球变暖事件，为我们这个时代敲响了警钟。
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2. The study, published in the September issue of the Journal of the Geological Society, found that increasing CO2 levels caused foram diversity to fall from 24 species to only 4.
3. The study, published in the September issue of the Journal of the Geological Society, found that increasing CO2 levels caused foram diversity to fall from 24 species to only 4.
