boom boxes 是什么？

boom box
boom box
n.Slang （名词）【俚语】
A portable audio system, usually consisting of a cassette player and radio, with speakers capable of producing loud sound:
轻便型收录机：一种便携式的视听系统，通常由磁带播放机、收音机和能发高音的扬声器组成：
“The notorious boom box . . . is no longer just a street noisemaker: in its latest refinement it has built-in CD players and speakers able to handle digital sound”(Hans Fantel)
“那种臭名昭著的便携式收录机…不再只是制造街头噪声：最新改进型号内带有能处理数字声音的激光唱片播放机和扬声器”(汉斯·方泰尔)

boom box = ghetto blaster (音量大的）大型手提式收录机