primaries
英
[p'raɪmərɪz]
美
[p'raɪmərɪz]
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n.
最主要者；主翼羽；[电]初级线圈；[天文]主行星；初选
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名词primary的复数
名词 primary:
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a preliminary election where delegates or nominees are chosen
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one of the main flight feathers projecting along the outer edge of a bird's wing
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(astronomy) a celestial body (especially a star) relative to other objects in orbit around it
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coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit
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用作名词 (n.)
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Both sexes have grey wings with black primaries and a white speculum.
所有的澳洲森林鸭都是灰色翅膀，主翼羽为黑色，还有白色的斑点。
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