至少地，我们无法否认有这样一种可能性，直到我们完全了解引力的本质为止。

At least, we cannot deny such a possibility until we know exactly the nature of the force of gravity.

youdao

至少地，我们无法否认有这样一种可能性，直到我们完全了解引力的本质为止。

At least, we cannot deny such a possibility until we know exactly the nature of the force of gravity.

youdao