Story 9   It’s Good to Walk
  A group of penguins at a zoo in Japan take a walk to lose weight. Every day, 15 king penguins there walk 500 meters twice. “Just like human, penguins don’t exercise much during winter. They become fat easily,” says a zookeeper.

故事9  散步有益
  在日本的一個動物園里一群企鵝在散步減肥。哪里的15只金企鵝媒體散步兩次，每次500米。 動物園工作人員說：“和人類一樣，企鵝冬天不怎么運動，容易發(fā)胖。”