security /sɪ'kjʊərətɪ/ n. 保护措施；安全工作:

击收听音频跟读 ↓↓↓ ↓↓↓ ↓↓↓

例句/词组:

They carried out security checks at the airport.

他们在机场实行了安全检查。

英语解释：

the activities involved in protecting a country, building or person against attack, danger, etc. 保护措施；安全工作: