英语翻译1.太阳系是宇宙众多星系之一；2.有水星、地球、火星、土星等；3.宇航员已经探测过一些行星,但未发现生命的迹象；

1/The solar system is the one of many galaxies in the universe.
2/There are mercury,the earth,Mars and Saturn,etc in the solar system .
3/The astronauts had already detected some planet,but not found signs of life.
4/The earth is the only homeland we live in,so we should protect it carefully.

1The solar system is the universe, one of many galaxies,
2 are mercury, the earth, Mars and Saturn, etc.
3 astronauts detection have some planet, but not found signs of life,
4. The earth is our only love our home, to the homeland.

solar system is one of the galaxies in the universe
has Mercury ,Earth ,Mars ,Saturn and so on
Astronauts has explored some planets ,but they haven't find any creature
Earth is the only home we have ,so we should protect our home

1 the solar system is one of galaxies universe,
2 There are mercury, the earth, Mars and Saturn, etc.
3, astronauts have detected some planet, but not found signs of life
4. The earth is our unique homeland that we should protect her.

1 The solar system is one of many universal galaxies .
2 There are mercury, the earth, Mars and Saturn, etc.
3, Astronauts have detected some planets, but haven't found any signs of life
4. The earth is our unique homeland that we should protect .