EP record的用法和样例：
例句
- Porter's jazz LP has run its course on the record player to your left.
波特的爵士密纹唱片就在你左侧的唱片播放器里播放。 - If you've ever played an old LP record where the hole was not quite centered, you've heard the pitch rise and fall with each revolution.
要是你播放过老式慢转密纹唱片，你就能听到，当唱片的空穴没有置于唱机正中央，唱片每转一周，音乐都会有音调高低的变化。
