But their surfaces bear witness to homely labor: Topping the tallest stone, once part of a trilithon, is a tenon—half of a mortise-and-tenon joint borrowed from woodworking.
但巨石的证了平凡的劳动:曾是三石塔组成分最高的那块巨石有一个凸榫——是加工借鉴而来的半个榫臼接头。
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