密纹木材被运往全世界，用于修筑苏伊士运河这样的帝王建筑项目，以及在二战以后，用于建设伦敦的蒂尔·伯里码头。

The dense timber was shipped around the world and used for such empire-building projects as lining the Suez Canal and, after world War II, for rebuilding London's Tilbury Docks.

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在过去的一百年间，音乐的录制经历了圆筒式录音、78转虫胶唱片、密纹唱片、磁带到现在的CD和数字下载。

In 100 years, recorded music has gone from cylinders to shellac 78s to vinyl LPs to cassettes, CDs and now digital downloads.

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早在1948年的6月，哥伦比亚唱片公司就成功引进了第一张可供留声机长时间播放的密纹唱片。

Columbia Records introduced the first successful microgroove long-playing phonographs way back in June 1948.

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