在黑洞内，空间和时间的角色互换。

Inside a black hole, space and time swap roles.

youdao

你能说他们角色互换了么？

Can you say role reversal?

youdao

如果成功，那么互换它们的角色，重新再试一次。

If it works, change their roles and try again.

youdao

在多次变形过程中，收益互换始终扮演着关键角色。

In the process of multiple transformations, the return swap is always playing a key role.

youdao

然后两人互换角色口重复上面的步骤。

They then reverse roles and repeat those same steps.

youdao

请与小组同学互换角色。

Please change your roles in the group.

youdao

练习一段时间后互换角色。

Then change roles after a while.

youdao

角色可以互换，也可以倒置，但是你还是你。

The role can be exchanged but you are still yourself.

youdao

操练一段时间后互换角色。

Then change roles after a while.

youdao

操练一段时间后互换角色。

Then change roles after a while.

youdao