noun 下载 🔗分享 脊索，notuosuo A flexible rodlike structure that forms the main support of the body in the lowest chordates; a primitive spine Examples : "Even though humans develop a vertebral column, in the early stages of embryonic development, we possess a notochord, a flexible rod that provides support. " 即使人类最终会发育出脊柱，但在胚胎发育的早期阶段，我们仍然拥有脊索 (notuosuo)，它是一根提供支撑的柔韧杆状结构，相当于原始的脊椎。 anatomy biology organism animal body part structure 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 脊索, 脊柱雏形 A similar structure found in the embryos of vertebrates from which the spine develops Examples : "During development, the embryo of a fish has a notochord, which is eventually replaced by a spine. " 在发育过程中，鱼的胚胎会有一个脊索，这个脊索最终会被脊柱取代。 anatomy biology organism body part structure science physiology 与AI对话词汇游戏阅读练习
