"Man's heart" in Yeats is "resinous"; it's sticky filth that flames.

“人心”于叶芝看来是“树脂”；是粘乎乎会燃烧的脏东西。

Propolis is a hard resinous substance made by bees from the juices of plants.

蜂胶是蜜蜂用植物汁液合成的像树脂一样的坚硬物质。

It combined with the resinous cedar smell of the logs to produce a sickening sensation that was near to nausea.

它与那些圆木的雪松树脂气味混杂在一起，以产生一种快要呕吐的恶心感觉。

Alcohol is a solvent of resinous substances.

酒精是树脂性物质的溶媒。

This is another turn on that image of man's "resinous heart."

这是说人树脂般的心的一种转变