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The grain shown in a piece of quarter-sawn timber where the growth rings appear as parallel lines and the medullary rays are visible on the face.
Early 18th century; earliest use found in Richard Neve (fl. 1703–1726).
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。