Retzius' lines

例句：

1. 1.The artist drew a line on the canvas to indicate the beginning of his painting.
   这位艺术家在画布上画了一条线，以指示他的画作的开始。
2. 2. The scientist used Retzius' lines to plot the trajectory of the spacecraft.
   科学家使用雷茨乌斯的线条来绘制宇宙飞船的轨迹。
3. 3.The writer used Retzius' lines to describe the beauty of nature in her poem.
   作家使用雷茨乌斯的线条来描述她的诗中大自然的美丽。