16.They can watch them on YouTube, or for those lacking an internet connection, the school provides a compact disc (CD) or a data storage device with the recordings.
17.It had a modern atrium lobby with video games, which Burrell Smith and Andy Hertzfeld chose, and a Toshiba compact disc stereo system with MartinLogan speakers and a hundred CDs.
18.Some day we'll understand the universe so well that we can literally take that map, put it on a little compact disc and put it in our pockets and take it home.
19.Those of us who are old remember the days before CDs - before compact discs; we had the big, black things called a " record." A record is also a list of something.
我们这些上了年纪的人还记得 CD 出现之前的日子——在出现之前;我们有一种叫做“记录” 的又大又黑的东西。 记录也是一些东西的列表。机翻
20.Its cylindrical base stand is topped with a covering that has a visual resemblance to " compact discs" , said the company, which was designed to help it blend into a variety of surroundings.