他为什么做那件事依然是个谜。

Why he did it remains a mystery.

youdao

但是这个城市到底是什么样子，依然是个谜。

What exactly the city was, however, remains a mystery.

youdao

第一个问题依然是个谜。

The first question still remains a mystery.

youdao

Gliese 581g是否确实是一颗行星依然是个谜。

Whether Gliese 581g is an actual planet remains an open question.

youdao

土壤的构成依然是一个谜。

What it is that made the soil is still a mystery.

youdao

土壤的构成依然是一个谜。

What it is that made the soil is still a mystery.

youdao