英语翻译
In summer,the arctic tern lives very near to the north pole.Here the sun shines twenty-four hours a day in summer.There is no night at all.But in autumn,the tern flies south.It keeps going until it gets all the way to the South Pole.Here again,it has twenty-four hours of sunshine every day.
重点翻译It keeps going until it gets all the way to the South Pole.