pine resin

基本解释

And the scent of amber pine resin fills the air.
空气中弥漫着黄色的松木树脂香味。
Flux contains a large number of resin, will produce phenyl (C6H5OH), while the flux activator in the pine resin will produce hydrogen gasification (HCL) and other compounds.
焊剂所包含的大量树脂，也会产生苯基（C6H5OH），而焊剂中松树脂的活化剂也会产生气化氢（HCL）及其他化合物。
ICRAF is trying to encourage policymakers and communities who continue to plant evergreen trees — as sources of pine resin or pulp for paper production, for example — to change their practices.
ICRAF正在尝试鼓励决策者和继续种植常绿树木的社区改变它们所种植的树木，尽管这些常绿树木是松脂或者造纸用纸浆的来源。