- a large or sufficient amount or quantity; more than enough大量, 众多; 丰富, 充足; 富余：
I would have plenty of time to get home before my parents arrived
我有充足的时间在我父母到家之前赶回家
you'll have plenty to keep you busy
你将会有忙不完的事
there are shops in plenty
有许多的商店
as determiner informal or dialect〈非正式, 方〉there was plenty room.有足够的空间。
mass noun
- a situation in which food and other necessities are available in sufficiently large quantities富足, 繁荣：
such natural phenomena as famine and plenty.
如饥荒和富足这样的自然现象。
usu. as determiner
- informal used to emphasize the degree of something〈非正式〉非常, 大量地（用于强调程度）：
she has plenty more ideas.
她点子要多得多。
词源
Middle English （in the sense 'fullness， perfection'）： from Old French plente, from Latin plenitas, from plenus 'full'.