人类居住的唯一家园是地球。

The only home for man to live on is the earth.

youdao

其实这也是在保护我们人类自己，因为地球是我们共同的家。

In fact, this is that we protect ourselves. Because the earth is our common family.

youdao

其实这也是在保护我们人类自己，因为地球是我们共同的家。

In fact, this is that we protect ourselves. Because the earth is our common family.

youdao