noun 下载 🔗分享 无脊椎动物,无脊椎生物。 An animal without vertebrae, i.e. backbone. Examples : "The earthworm is an invertebrate because it does not have a backbone. " 蚯蚓是一种无脊椎动物,因为它没有脊椎骨。 animal biology organism nature 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 没骨气的人,懦夫 A spineless person; a coward. Examples : "He backed down from the argument so quickly; what an invertebrate! " 他那么快就从争论中退缩了,真是个没骨气的人! character person attitude 与AI对话词汇游戏阅读练习
adjective 下载 🔗分享 无脊椎的,没有脊椎的 Lacking a backbone. Examples : "The jellyfish, a fascinating invertebrate animal, drifts gently in the ocean currents. " 水母是一种奇妙的无脊椎动物,随着洋流缓缓漂动。 organism animal biology 与AI对话词汇游戏阅读练习