功效 gōng xiào — efficacy
gōng (first tone, high and level) xiào (fourth tone, falling)gong1 xiao4
efficacy
HSK 6· HSK 1–6 (classic)Levels 7–9· 2021 three-band, nine-level proficiency standardnoun
Meanings
efficacy
efficacy
noun
efficacy
efficacy
efficacy