短语词组短语clapper box [机]摆动刀架;拍板盒;摆动刀架wooden clapper 正在拍打着木板clapper board 场记板;或称打板Stacey Clapper 标签clapper striker 铃锤Clapper D 名称clapper detail 警钟锤clapper valve 瓣阀;止回阀clapper boards 点头;鼓板;颔首 返回 clapper