常見例句雙語例句Globs of mud pulled from the trench have yielded an assortment of bacteria, fungi and primitive single-celled organisms called foraminifera.海溝中提取出的泥中生存著細(xì)菌、真菌和叫做有空蟲類的原始單細(xì)胞有機(jī)體。No surprise there -- from coral to clams to microscopic foraminifera, shelled critters make their hard parts out of calcium carbonate (CaCO3).這并不令人驚訝——不管是珊瑚還是蛤類或是微觀的有孔蟲類,這些甲殼類生物都用碳酸鈣(CaCO3)來組成其堅(jiān)硬的部分。Rising carbon dioxide levels acidify the ocean, which has a particularly devastating effect on organisms that have calcium carbonate shells, like Foraminifera.二氧化碳含量上升致使海洋酸化,對像有孔蟲這樣有碳酸鈣外殼的生物體所產(chǎn)生的影響尤為致命。 返回 foraminifera