单词	concert pitch
释义	concert pitch noun 1 : international pitch 2 : a high state of fitness, tension, or readiness Word History First Known Use 1735, in the meaning defined at sense 1
随便看	orthopterological orthopterologist orthopterology orthopteron orthopterons orthopterous orthoptics orthoptists orthoquartzite orthoquinone Orthorhapha orthorhombic orthorhombic system Orthorrhapha orthorrhaphous orthos orthoscopes orthoscopic orthoselection orthoselective orthoses orthosilicate orthosilicates orthosilicic acid orthosis

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