基本解释还音机词组短语短语phonograph sound box reproducer 唱机扬声器magnetic sound track reproducer 磁性放声机optical magnetic sound tack reproducer 光磁放声机optical sound reproducer 光学放声装置;[电讯]光学唱机;[电影]光学还音机sound reproducer detail 放声装置sound reproducer更多词组专业释义物理学放声装置