But echinoderms apparently deliver more carbon to the sediments than do forams, for example.

举例来说，棘皮动物传送到海底的碳明显比有孔虫多。

youdao

But echinoderms apparently deliver more carbon to the sediments than do forams, for example.

举例来说，棘皮动物传送到海底的碳明显比有孔虫多。

youdao