kē / xué / jiā / zài / zhè / piàn / hǎi / yù / fā / xiàn / le / xǔ / duō / gǔ / lǎo / de / hǎi / bǎi / hé科学家在这片海域发现了许多古老的海百合。Scientists discovered many ancient crinoids in this sea area.