词汇	pen of history
释义	pen of history 史笔
随便看	double scale double-scale double scale equation double scale instrument double-scale instrument double-scale neighborhood double scales double scale voltmeter double scalp double-scalp of sheep double scan double-scan color graphics adapter double scanning line double scattering double scattering experiment double scattering method double scattering technique double-scetion filter double-scheck system double-Schiff base double school double scissors doubles contest double scoop type excavator double score