保安自动化 bǎo ān zì dòng huà

DEFINITIONS

  1. security automation

CHARACTERS

保 bǎo
HSK 4
protect, safeguard, defend, care
安 ān
HSK 3
peaceful, tranquil, quiet
自 zì
HSK 3
self, private, personal; from
动 dòng
HSK 2
move, happen; movement, action
化 huà
HSK 3
change, convert, reform; -ize