| 单词 | single track |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔fixed head〕A stationary device, such as a tape-recording head, that reads and imprints information on a single track of magnetic tape.固定（磁）头：一种能读印出磁带某面音轨上信息的固定装置，例如录音磁带头美国传统〔width〕The snow had narrowed the width of the road to a single track.大雪使路面变窄，成了单行道。牛津搭配 |
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