求翻译：Helen Thayer出生于新西兰，1988年，50岁的她决定独自步行去北极。1977年她又独自去了北极，她是第一位这样做的女性。她的坚强意志，克服了种种困难，为我们树立了榜样。是什么意思？

Helen Thayer was born in New Zealand, 1988, 50 years old, she decided to walk alone to the North Pole. In 1977 she went to the North Pole alone, she was the first woman to do so. Her strong will to overcome various difficulties, setting an example for us.

Helen Thayer was born in New Zealand in 1988, 50 years old, she decided to go to North Pole walking alone. In 1977 she went to the North Pole alone again, she was the first woman to do so by a female. Her strong will to overcome the difficulties which we have set an example.

Helen Thayer is born in New Zealand, in 1988, 50 year-old she decided alone walks the North Pole.In 1977 she has alone gone to the North Pole, she is the female who first does this.Her stubborn will, has overcome all sorts of difficulties, set up the example for us.

Helen born in Thayer New Zealand 1988, 50, she decided walking alone to Arctic. In 1977 she went to the North, she was the first woman to do. Her strong will to overcome various difficulties, had set an example for us.

Helen Thayer was born in New Zealand, 1988, 50 years old, she decided to walk to the North Pole alone. In 1977 she went to the North, she was the first woman to do. Her strong will to overcome various difficulties, had set an example for us.