kē / xué / jiā / zài / Āi / dí / kǎ / lā / dì / céng / zhōng / fā / xiàn / le / zhēn / guì / de / huà / shí

科学家在埃迪卡拉地层中发现了珍贵的化石

Scientists discovered valuable fossils in Ediacaran strata