零日漏洞 líng rì lòu dòng

DEFINITIONS

  1. zero-day vulnerability (computing)

CHARACTERS

零 líng
HSK 2
zero; fragment, fraction
日 rì
HSK 2
sun; day; daytime
漏 lòu
HSK 5
leak, drip; funnel; hour glass
洞 dòng
HSK 5
cave, grotto; ravine; hole