primitive backbone

  1. 原生脊柱

网络词典

primitive backbone

英 ˈpraɪmɪtɪv 美 ˈpraɪmɪtɪv
形容词中文翻译 中文翻译:原始的
同义词: ['primordial', 'primitive', 'primitive-looking例句:1. The primitive tools used by the ancient people were crude and unsophisticated.(古代人使用的原始工具粗糙且不复杂。)']

例句:

  1. 1. The primitive tools used by the ancient people were crude and unsophisticated.
    古代人使用的原始工具粗糙且不复杂。
  2. 2. Many modern inventions are based on the principles of primitive technology.
    许多现代发明基于原始技术的原理。
  3. 3. The primitive man lived in a simple way, with no electricity or running water.
    原始人过着简单的生活方式,没有电力或自来水。