These markings and fossils in the rocks and the rocks themselves are our first historical documents. 赫伯特·乔治·威尔斯.世界史纲.
On being released the pendulum would return, and in this way zigzag markings, as shown at 4 and 5, would be produced on the strip of paper, which formed the alphabet. Edward W. Byrn.十九世纪发明进展.
These Azilian people have left behind them a multitude of pebbles, roughly daubed with markings of an unknown purport (see illus. 赫伯特·乔治·威尔斯.世界史纲.
The younger man had added an improvement of his own; instead of the dots and dashes being indicated by the markings of a pen or pencil they were embossed on the paper with a metal stylus. 鲁伯特·萨金特·荷兰.历史性发明.
He saw the red wing markings now and he watched their steady, stately roaring advance. 欧内斯特·海明威.丧钟为谁而鸣.
He called these markings _Eozoon Canadense_ (the Canadian dawn-animal). 赫伯特·乔治·威尔斯.世界史纲.