primary feather

美 [ˈpraɪmeri ˈfeðər]英 [ˈpraɪməri ˈfeðə(r)]

primary feather

noun

one of the main flight feathers projecting along the outer edge of a bird's wing: Synonym: primary primary quill

数据来源：WordNet

1

In contrast , the distribution pattern of selenium concentration was different : liver > chest muscle > primary feather .

而硒在鸟体内残留量的分布模式是肝脏>肌肉>羽毛，与汞和砷的分布模式不同。
2

The Cd residues in liver and primary feather were in the range of 0.2-5.7 and 0.0-0.5 μ g · g ~ ( - 1 ), respectively .

Cd在鸟的肝脏和飞羽中残留量分别为0.2～5.7和0.0～0.5μg·g-1。