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物质。
...great resinous logs burning in the wide hearth.
含有树脂的巨大原木在宽大的炉膛中燃烧。
See also: resin
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