plethora
/ˈpleθərə/noun
1a plethora of
- an excess of (something)太多, 过多, 泛滥, 过剩：
a plethora of committees and subcommittees.
泛滥的委员会和分委员会。
1.1
- Medicine an excess of a bodily fluid, particularly blood【医】多体液症（尤指多血症）。
USAGE
Strictly, a plethora is not just an abundance of something, it is an excessive amount. However, the new, looser sense is now so dominant that it must be regarded as part of standard English.
派生词
plethoric
/pleˈθɒrɪk/ adjective （archaic or Medicine〈古〉, 【医】）词源
mid 16th cent. (in the medical sense)： via late Latin from Greek plēthōrē, from plēthein 'be full'.