The number of extant manuscripts, however few, really does not allow scholars to infer how many ancient Latin manuscripts of a work survived to the ninth, the twelfth, or even the fifteenth century.

现存的手稿，不论数量多么少，也不能让学者推断一部作品的古代拉丁手稿有多少存活到了九、十二，甚至是十五世纪。

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But up to the fifteenth century, the lead strips also helped create the design—they were worked into the window as part of the composition.

但是直到15世纪，铅条也在创新设计中发挥了作用，到这时它才被放到窗户里，作为设计的一部分。

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The earliest ceramics were fired to earthenware temperatures, but as early as the fifteenth century B.C., high-temperature stonewares were being made with glazed surfaces.

最早的陶瓷制品是在制陶的温度下烧制的，但是早在公元前15世纪，（人们）已经用高温烧制表面上釉的炻器。

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One can imagine Fifteenth- and Sixteenth-Century Jesuits bemoaning loss of that career-making skill.

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In the fifteenth century, the Medici family of bankers and merchants rose in Templar-like fashion, amassing vast wealth and influence.

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