æç¹çï¼ä½ æ¯åçåå¼åç¼ç®ï¼æ¯ä¹ï¼
å¯è½æ¯ä½ 个ä½æ¢å¤çæ¯è¾æ ¢ï¼ç¶åç¼çº¿ä½ç½®æ¢å¤çä¸æ¯å¾å¥½ï¼è¿æ¯æ£å¸¸çåï¼åç¼ç®çæ¢å¤ææ¯3-6个æå
è¿æ¯æé¢åçï¼åç¼ç®æ¯åå³å»çç §çï¼å½¢æèªç¶ï¼ç¥å¾®æäºè¿ãä½æ¯ææ¾ç¼çæç¥äºè®¸å¤ã