Propolis is a sticky resinous substance that bees gather from the leaf buds and tree bark of conife

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Propolis is a sticky resinous substance that bees gather from the leaf buds and tree bark of conife

蜂胶是一种粘稠的树脂状物质,蜜蜂从植物叶芽和针叶树的树皮中采集.

蜂胶是一种粘性脂类物质的聚集的蜜蜂从叶芽和树皮conife的

“蜂胶是一种蜜蜂由针叶松的嫩叶和树皮中采集而来,粘性的,树脂味,物质。”

蜂胶是一种粘稠的树脂状物质,蜜蜂从植物叶芽和树的树皮收集conife