通过熟练操纵虚拟世界中的对象初学者将在这一系列的典型实例的引导中受益匪浅获得构建程序的经验。
By manipulating the objects in their virtual world, students gain experience with all the programming constructs typically taught in an introductory programming course.
为了让初学者看明白，在definitions实例上调用each方法时使用了花括号。
For starters, I used brackets when I called the each method on the definitions instance.
嵌入式入门的基础教程，丰富的实例，适合初学者。
Introduction to the basis of embedded tutorials, rich examples, suitable for beginners.
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