ÃÛÑ¿´«Ã½ Learning English - ÃÛÑ¿´«Ã½ Media English ¡°Ã½ÌåÓ¢Ó: Killer whale mothers look after sons for life »¢¾¨Ä¸Ç×ΪÕչ˶ù×Ó¸¶³öÒ»Éú - ÃÛÑ¿´«Ã½ Sounds

ÃÛÑ¿´«Ã½ Learning English - ÃÛÑ¿´«Ã½ Media English ¡°Ã½ÌåÓ¢Ó: Killer whale mothers look after sons for life »¢¾¨Ä¸Ç×ΪÕչ˶ù×Ó¸¶³öÒ»Éú - ÃÛÑ¿´«Ã½ Sounds
ÃÛÑ¿´«Ã½ Media English ¡°Ã½ÌåÓ¢Ó: Killer whale mothers look after sons for life »¢¾¨Ä¸Ç×ΪÕչ˶ù×Ó¸¶³öÒ»Éú
How long do orcas stay at home?