The lines were so finely etched as to be invisible from a distance.
这些线条蚀刻得如此精细，离远点都看不出来。
They are best known for the Nazca lines: vast, intricate drawings etched on the desert floor, possibly sacred pathways.
他们因为纳斯卡线条而闻名于世：蚀刻于沙漠上广阔、复杂的图案，可能是神圣的路径。
COULD these lines etched into 60,000-year-old ostrich eggshells (see photo) be the earliest signs of humans using graphic art to communicate?
这些刻于60,000年前鸵鸟蛋壳上的字迹，能否成为人类使用版画交流的最早标记呢？
COULD these lines etched into 60, 000-year-old ostrich eggshells (see photo) be the earliest signs of humans using graphic art to communicate?
这些刻于60 000年前鸵鸟蛋壳上的字迹，能否成为人类使用版画交流的最早标记呢？
After two years of searching, the 31-year-old has deep worry lines etched into his forehead and a generous smattering of prematurely white hair.
经历了两年的寻找之后，32岁的他已经有了深深的皱纹在额头上，而且也有了远远超过其年龄的白发。
His face was etched with deep lines.
他的脸上布满了深深的皱纹。
As skin ages and loses its elasticity, the skin stops springing back to its line-free state, and these grooves become permanently etched on the face as fine lines and wrinkles.
当皮肤老化失去弹性的时候，面部线条就不太容易弹回到无痕状态，皮肤下的凹槽就会永久性的在你的脸上形成，变成细小的线条和皱纹。
A face etched with a patina of fine lines and tiny wrinkles.
一张轮廓美观而有细微皱纹的脸。
Here the rhythm and expressiveness of lines are further scrutinized; the inscriptions of oracle-bones, tangibly etched, are transformed into visual and pictorial symbols.
艺术家进一步探索线条的韵律和表现性，把甲骨雕刻文辞转化为视觉性、图象化的创作符号。
Staging: Process of covering bare metal, to protect lines or dots from being etched, in making of photoengraving and gravure cylinder.
防蚀处理：制电版或照相凹版时，作保护金属表面，防止网点或线条被腐蚀的工作。
Staging: Process of covering bare metal, to protect lines or dots from being etched, in making of photoengraving and gravure cylinder.
防蚀处理：制电版或照相凹版时，作保护金属表面，防止网点或线条被腐蚀的工作。
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