Since it appeared in 2001, the iPod has become this decade's answer to the Sony Walkman.

自从2001年ipod问世以来，它已经成了索尼walkman的替代者。

youdao

Since it appeared in 2001, the iPod has become this decade's answer to the Sony Walkman.

自从2001年ipod问世以来，它已经成了索尼walkman的替代者。

youdao