岩画的英文：
petrogram

• The rock paintings in the Helan Mountains feature many figures with odd shapes and faces whereas
  贺兰山的岩画，形象古怪，面目各异。
• " Painted rock carvings are a very ancient art form, and I wonder they were all alike."
  彩绘岩画是一种非常古老的艺术形式，但它们都是相同的吗?
• The lines of the paintings are compatible with the stone color but contain subtle changes.
  岩画的纹路和岩石的色彩既一致，又有微妙的变化。
• The last are crude repetitions of earlier ones by Mongolian lamas.
  最后是蒙古佛教僧侣制作，图案大多是对早期岩画的简单模仿。
• So far many murals and painted rock carvings are found in all parts of China. Here I would like to introduce you two.
  目前为止．中国各地都发现了许多壁画和彩绘岩画。下面，我给你介绍两处。
• Most of them are painted red with bloodstone powder and ox blood.
  南系岩画大都以红色涂绘，颜料是以赤铁矿粉调合牛血等而成的。
• Drawing is a particular type of visual art, stemming back to prehistoric times with their rock and cave drawings.
  绘图是一种特殊的视觉艺术类型，可追溯至史前时期的岩画或洞穴壁画。
• "WeI1, rock paintings boast a wealth of detail hidden in their bold images and smooth lines. "
  岩画充分利用形象质朴粗犷，线条流畅有力来表现造型，细节在其中表现出来。
• These creations cover an extensive region from east to west, from north to south in the nation.
  这些岩画从东到西，自南至北，分布地域十分广泛。