By using event_hook, it's now possible to write pure Ruby event hooks instead of having to write native code to hook into the Ruby interpreter.

借由event_hook，我们可以不必大费周章地通过编写原生代码给Ruby解释器挂上钩子，现在只需编写纯ruby代码就可以实现事件钩子了。

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Pure interpreted, where all code gets parsed on the device and executed with our AST-walking interpreter logic.

纯解释，所有的代码在设备上完成了解析并且通过我们的AST - walking解释逻辑执行。

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Performance-wise, the winner is a pre-release version of Tower Technology's TowerJ compiler, which generates a native executable from pure Java code that runs almost 25 percent faster than the fastest Java interpreter, even when the interpreter has a just-in-time compiler.

CNN: New benchmark results show Java ready for prime time on servers