但是直到现在，科学家也仅能推测这个无形的连接是如何形成的。

But until now, scientists could only speculate how the invisible bond was formed.

youdao

但是直到现在，科学家也仅能推测这个无形的连接是如何形成的。

But until now, scientists could only speculate how the invisible bond was formed.

youdao