题目内容：

翻译句子,1.Dogs have been man*s best friends for thousands of years.
2.With the help of the dogs,many people lost in the snow were able to get home.3.Dogs have also helped in the research work in many fields of science.4.They can hear and smell better than man,but they cannot see so well.

优质解答

狗作为人类最好的朋友已经上千年了.
在狗的帮助下,很多在大雪中迷失方向的人们能安全回家.
狗也在科学领域的搜索工作中也有了很大帮助.
他们听力和嗅觉都比人类好,但是他们视力不太好