The first is that I unlinked my credit card from my car-sharing apps.

第一件事是我从拼车应用上解绑了我的信用卡。

The three of them unlinked their arms and went off in three different directions.

三个人的连环臂拆散了,走了三条路.

If the block is exactly the size requested it is unlinked from the list and returned to the user.

如果该块恰好与请求的大小相符合，则将它从链表中移走并返回给用户。