It can also be used to "walk backwards" through a collection or list, rather than trying to do everything from the front.

它还可以用于“反向遍历”集合或列表，而无需每次都从前向后遍历。

youdao

Emus and kangaroos can't walk backwards.

鸸鹋和袋鼠不会后退。

youdao

Emus and kangaroos can't walk backwards.

鸸鹋和袋鼠不会后退。

youdao