But these shells are absent from the foraminifera found in Challenger Deep.

但是在查林杰海渊发现的这些有孔虫却没有这种甲壳。

youdao

But these shells are absent from the foraminifera found in Challenger Deep.

但是在查林杰海渊发现的这些有孔虫却没有这种甲壳。

youdao