?四磁迹录音
... four-track overcast machine 四线拷边机 four-track sound recording 四磁迹录音 four-track tape recorder 四磁轨磁带录音机 ...
From a recording point of view, the simple four-track, sometimes mono, sound and structure of the early songs seem dated, but the musical quality is undeniable.
BBC: CD Review: The Beatles
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。