resin affinity是什么意思？

resin affinity

树脂亲和力

resin

n. 树脂，合成树脂，松香；vt. 用树脂处理，涂擦树脂于；

例句
The resin from which the oil is extracted comes from a small, tough tree.
用于提取这种油的树脂取自于一种矮小坚韧的树。

affinity

n. 密切关系，姻亲关系，（男女之间的）吸引力，吸引人的异性，类同，类似，近

例句
He has a close affinity with the landscape he knew when he was growing up...
他对这片从小就了解的土地有着一种归属感。