noun🔗Share肋骨A rib."The doctor pointed to the costa on the X-ray, explaining that it was fractured. "医者はレントゲン写真の肋骨を指し、それが骨折していると説明した。anatomyphysiologybodypartorganChat with AIVocabulary GamePractice Reading
noun🔗Share葉脈、肋骨A riblike part of a plant or animal, such as a middle rib of a leaf or a thickened vein or the margin of an insect wing."The teacher pointed to the leaf and explained how the costa, the central vein, provides support and carries water to the entire leaf. "先生は葉を指し、中央の葉脈である葉脈がどのように支持を提供し、葉全体に水を運ぶかを説明しました。biologyanatomyplantanimalinsectpartorganismstructureChat with AIVocabulary GamePractice Reading