有人曾经在圆筒上进行过三次录音。
Somebody had made three separate recordings on the cylinder.
5月1日，黑匣子在海底附近被发现；5月3日，另一个装有黑匣子的圆筒被定位并打捞，这个黑匣子内有驾驶舱内声音的录音。
On May 1, the cylinder was found on the ocean floor nearby; and on May 3 the other black box's cylinder, which contains the cockpit voice recording, was also located and recovered.
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.
应用推荐