On the other hand, if you will need a CD drive or a DVDdrive built into your laptop, try to get one with a fast speed indicated by the "x" followed by a number on the drive.

从另一方面说，如果你需要CD光驱或DVD光驱内置的笔记本，尽量要一个高速的从光驱上被数字跟随的“x ”可以看出来。

youdao

Please use 8 x, burning CD burning a way in.

请大家用8x，光盘一次刻录方式刻录用。

youdao

Unusually, both the Hillsborough single and the X Factor song were available on CD - increasingly a rarity in an era when downloads account for 99% of all single sales.

BBC: Hillsborough single is Christmas number one

Apt-X is a unique codec that reproduces robust sound that's true-to-life, providing CD quality audio, regardless of file compression encoding.

ENGADGET: Altec Lansing's inMotion Air speaker system streams from just about anywhere