English to Chinese Tech/Engineering IT (Information Technology) Mac OS X

Previewed in May 2002 by Steve Jobs at Apple’s worldwide developers conference (WWDC) in San Jose, California, Mac OS X 10.2 Jaguar, introduced a host of new features. These included: Quartz Extreme, a hardware accelerated version of the Quartz graphics and compositing engine; an enhanced Finder, with ***spring-loaded folders*** and instant searching; and version 6 of QuickTime, making it the first complete solution for industry standard MPEG-4 video and AAC audio streaming.
不知在Mac界，这种文件夹叫什么。我看网上译名很混乱。
港台那边的说法不要。