请问sporting activity 是极限运动的意思吗？
But once i have bought the basic tools it is comparatvely cheap .i have learned to do all these handy things by attending a special course .but most of it i have picked up
by myself or from books .there are dozens of books on
hobbies in the bookshop.
但曾经我购买了相当便宜的基础工具。我通过加入特殊的课程，学习了去做这些简单的事情。但其中大多数是从自身或书本上获取的。有一打关于兴趣的书在书店。