forgotten是什么意思？

And though the system was built mostly to make car travel easier, defense was not forgotten.

We are rediscovering Dewey and Montessori and a lot of the practices that they pioneered that have been forgotten or at least put aside.

Why is it even interested in all those out-of-printlibrary books, most of which have been gathering dust on forgotten shelves for decades?

Unfortunately, most of the early popular African-American writers have been all but forgotten in modern times until now.

Shoddy(粗糙的) reproductions of her work along with setbacks to women's roles in 18th-and 19th-century Europe resulted in her efforts being largely forgotten.

within a few generations, most had forgotten their native tongues.