fast - forward的用法和樣例：
例句
- Press fast forward to advance the tape.
按鍵使磁帶快進(jìn)。 - I couldn't change any of the functions on the display .It also doesn't fast forward when I'm playing a DVD.It rewinds but it won't fast forward while the picture is playing.
我無(wú)法在界面上切換各項功能，而且我在播放碟片時(shí)又快進(jìn)不了，在放片時(shí)可以快退，但不能快進(jìn)。
