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- A flexible rodlike structure that forms the main support of the body in the lowest chordates,such as the lancelet;a primitive backbone. 脊索细胞构成的一条纵长可弯曲的杆状结构，其作用是引导产生神经板，形成躯体的支持轴
- A flexible rodlike structure that forms the main support of the body in the lowest chordates, such as the lancelet; a primitive backbone. 脊索细胞构成的一条纵长可弯曲的杆状结构，其作用是引导产生神经板，形成躯体的支持轴
- a flexible rodlike structure that forms the main support of the body in the lowest chordates,such as the lancelet; a primitive backbone 脊索细胞构成的一条纵长可弯曲的杆状结构，其作用是引导产生神经板，形成躯体的支持轴
- These men are the backbone of the country. 这些人是国家的中坚力量。
- Standing up to bullies takes plenty of backbone. 勇敢地对付暴徒需有大无畏精神。
- The backbone is an articulate structure. 脊椎骨是一种关节相连的结构。
- His art is primitive and provincial. 他的艺术原始而粗野。
- Primitive people often lived in caves. 原始人常常住在山洞里。
- Primitive peoples deified the sun. 原始部落将太阳奉为神。
- They built a primitive shelter out of tree trunks. 他们用一些树干建造了一个简陋的棚子。
- Primitive man made tools from sharp stones and animal bones. 原始人用尖石块和动物的骨制造工具。
- A primitive hand-turned grain mill. 手推磨一种原始的手推碾谷磨
- primitive backbone 原生脊柱
- The book is about the mythologies of primitive races. 这本书是原始民族神话集。
- Agriculture used to be the economic backbone of this country. 农业曾是这个国家的经济支柱。
- Primitive in culture and customs; uncivilized. 野蛮的，未开化的文化和习惯原始的; 不文明的
- Small seashells were often used as a primitive kind of money. 小贝壳常被用作简单的货币。
- Living conditions in the camp were pretty primitive. 营地的生活条件甚为原始。
- Have you the backbone to overcome the hard luck? 你有没有勇气战胜厄运?
- He is an Irishman to the backbone. 他是个十足的爱尔兰人。
