词汇	quill knob
释义	quill knob 鸟羽根节
随便看	non-equivalent double electrons non-equivalent economic connection non equivalent electrons nonequivalent element non equivalent exchange non-equivalent exchange nonequivalent proton non-equivalent provision non-equivalent representations non-equivalents nonequivalent symmetry element nonequivalent-to element nonequivalent-to-element non-equivalent translation nonequivalent words non-equivalent words nonequlibrium thermodynamics noner nonerasable non-erasable nonerasable media nonerasable medium non-erasable medium nonerasable memory non erasable memory