clear grain編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看clear grainclear grain — 名詞名詞1. a pattern of visible lines in wood without knots or defects1.名詞釋義清晰紋理a pattern of visible lines in wood without knots or defects例句The carpenter chose a board with clear grain for the tabletop.