an·a·phy·lax·is
noun/ˌænəfɪˈlæksɪs/
/ˌænəfɪˈlæksɪs/
[uncountable, countable] (plural anaphylaxes
(medical)/ˌænəfɪˈlæksiːz/
/ˌænəfɪˈlæksiːz/
)- an extreme allergic reaction to something that you eat or touch
过敏反应 Word Originearly 20th cent.: modern Latin, from Greek ana- ‘again’ + phulaxis ‘guarding’.