ӣţţ  ţţ  ţţ  ţţ½  ţţƽ̨  ţţֱ  ţţ  ţţƽ̨  ţţƻƽ̨  ţţֱ  ţţ  ţţƭ  ţţ½  ţţ  ţţô  ţţ  ţţ  ţţע  ţţ½  ţţ¼