CocoaChina-editors/Welcome-to-Swift — pull request #69 by haolloyin (2014-06-06 14:26:33+00:00)
Title: 完成初稿 Interacting with Objective-C APIs

完成初稿 [Interacting with Objective-C APIs](https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/BuildingCocoaApps/InteractingWithObjective-CAPIs.html) 章节，请合并，谢谢。