oedema
noun /ɪˈdiːmə/
/ɪˈdiːmə/
(British English) (North American English edema)
[uncountable] (medical- a condition in which liquid collects in the spaces inside the body and makes it swell (= become larger or rounder than normal)
水肿 词源late Middle English: modern Latin, from Greek oidēma, from oidein ‘to swell’.