短語詞組短語planktonic foraminifera shell 有孔蟲殼體planktonic foraminifera shells 浮游有孔蟲殼living planktonic foraminifera 浮游有孔蟲depth stratification of planktonic foraminifera 浮游有孔蟲深度分層 返回 planktonic foraminifera