noun🔗Share珪藻Any of a group of minute unicellular algae having a siliceous covering of great delicacy, now categorized as class Diatomophyceae or division Bacillariophyta."Microscopic diatoms in the ocean produce a large portion of the Earth's oxygen. "海中の微小な珪藻は、地球の酸素の大部分を生成します。organismbiologymicroorganismplantnatureenvironmentecologyscienceChat with AIVocabulary GamePractice Reading
