summerwood

基本解釋

SPF lumber is a distinctly white wood, with very little color variation between springwood and summerwood.
白木材，春木和秋木之間顏色差別非常小。
Wood moved slowly, but not equally, with its mixture of springwood and summerwood, straight and wavy grain, knots, rings and imperfections.
木頭的變化速度雖然不快，但是各部分的變化步調(diào)是不一致的——木頭其實是一個包含各種元素的混合體：既有早材，又有晚材；既有直紋，又有波紋；還有木節(jié)、年輪和疵點。
Wood moved slowly, but not equally, with its mixture of springwood and summerwood, straight and wavy grain, knots, rings and imperfections. And it would always go the way it was naturally inclined.
慢工出細活，依照春木或夏木、直紋或曲紋、節(jié)疤、年輪以及自身瑕疵的不同，各種木材都會被物盡其用，并順其自然。

the wood that is produced by a plant near the end of the growing season: consists of small thick-walled xylem cells &rarrcompare springwood