a stone tablet

基本解释

The oldest existing catalogue of drugs is a stone tablet from ancient Babylonia (c. 1700 BC);
已知最古老的药典是公元前1700年古巴比伦尼亚的一块石碑；
chinafanyi.com
Most experts had cited only one surviving reference to the date in Mayan glyphs, a stone tablet from the Tortuguero site in the Gulf coast state of Tabasco.
大多数专家先前提到的，都是在塔巴斯科海湾州托土盖罗遗址的一块石碑上，玛雅人用象形文字刻下的那个日期。
Having just crossed the gate, the tourists could not answer that question, so Tan led them to the inscription on a stone tablet embedded in a stone wall of the tower.
才进寨门的游客自然无法回答他的这个问题，谭宇只好拉着游客去看寨楼墙上的碑刻。

Down the road, those will be the traits that will help you succeed, as well -- the traits that will lead you to invent a device that makes an iPad look like a stone tablet.
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