all people of the same age; a period of time in which a human being can grow up and have a family; all members of any developing class of things at a certain stage
the act or action of generating
"they had to wait a generation for that prejudice to fade"
"the third generation of computers"
"dams were built for the generation of electricity"
Nobody in his family had earned a living for three generations.
出自： L. Hellman