2. 分区：小于pivot的放左边，大于的放右边
If you’re getting annoyed by the number of message notifications from a big chat group, or you feel uncomfortable because of some of the comments, just put it on mute. And don’t be afraid to leave the group if you don’t need to be in it.
，推荐阅读heLLoword翻译官方下载获取更多信息
Up to 25W (wired), 15W (wireless)
Swigert flicked the switch. It should have been a routine procedure but the command module, Odyssey, shuddered. Oxygen pressure fell and power shut down.
Nasa's Space Shuttles, which flew for three decades, reached breathtaking highs, but also some terrible lows.