超敏反应 chāo mǐn fǎn yìng

DEFINITIONS

  1. hypersensitivity

CHARACTERS

超 chāo
HSK 3
jump over, leap over; surpass
敏 mǐn
HSK 5
fast, quick, clever, smart
反 fǎn
HSK 4
reverse, opposite, contrary, anti
应 yìng
HSK 3
should, ought to, must