批准文号 pī zhǔn wén hào

DEFINITIONS

  1. (drug etc) approval number

CHARACTERS

批 pī
HSK 4
comment, criticize; wholesale
准 zhǔn
HSK 2
approve, allow, permit; in accord
文 wén
HSK 3
literature, culture, writing
号 hào
HSK 1
mark, sign; symbol; number