1. I don't think you can swim, if you've never surfed. ������δ������֮���ι�Ӿ������Ϊ�㻹�������Ӿ��
2. Many cheap mobile handsets allow users to play video games and surf the net. �������۵��ƶ��ֻ�����ʹ��������Ƶ��Ϸ��������
3. Schools should provide the students with places where they can surf the Internet. ѧУӦ��Ϊ��Щѧ���ṩ�������������˵ĵط���
ӢӢ����
n.
1. waves breaking on the shore
2. ride the waves of the sea with a surfboard
3. look around casually and randomly, without seeking anything in particular
4. switch channels, on television