ӣţţƽ̨  ţţ  ţţֱ  ţţ  ţţ½  ţţ  ţţ  ţţע  ţţ  ţţ  ţţ  ţţƽ̨  ţţ½  ţţ  ţţֱ  ţţô  ţţ  ţţֱ  ţţ  ţţ