Humming bird's feathers are mostly very bright and shine with metallic luster.
蜂鸟的羽毛大多十分鲜艳，并且闪耀着金属的光泽。
Description: Silver grey lumps with metallic luster, easily oxidizable in air.
说明：呈银灰色，有金属光泽，在空气中易氧化。
Humming bird's feathers are mostly very bright and shines with metallic luster.
蜂鸟的羽毛大多十分鲜艳，并且闪耀着金属的光泽。
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