ICMP communications source, code simple, but useful for beginners.ICMP通信的源码, 代码简单, 但对初学者很有用.She's in the beginners' class.她在初级班。The pool is divided into three sections with a crawler lane for beginners...泳池分三部分...
The ski school coaches beginners, intermediates, and advanced skiers.滑雪学校训练指导初学者及中级与高级滑雪者。It's not really suited to absolute beginners.它并不真正适合从零开始的初学者。She's in the beginners' class.她在初级班。...