英语翻译上面的错了这只蝴蝶跟那只蝴蝶一样漂亮

Though a butterfly can only live for three days,it's still beautiful.

That butterfly is so beautiful，as pretty as this one.

that butterfly is so pretty, so does this one.
that butterfly is as pretty as this one.
that butterfly is pretty, and this butterfly is pretty as well.
that butterfly is pretty, and this one is as pretty as that one.
随便LZ挑一句，如果是要分开2句的话，或者最下面的比较适合。