英语词汇“second class”的读音、翻译、释义、用法及例句-开邑网

词汇	second class
释义	second classsecond classD.J.:[ˈsekəndˈklæs]K.K.:[ˈsɛkəndˈklæs]n.1.■第二堂课
随便看	focusing curve focusing defect focusing diffratometer focusing distance focusing effect focusing electric field focusing electrode focusing electrophoresis focusing error focusing eyeglass focusing factor focusing field strength focusing foil focusing force focusing geometry focusing glass focusing grid focusing hood focusing jet focusing knob focusing laser Doppler velocimeter focusing magnet focusing magnetic field focusing magnifier focusing mark

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