Level 1 · word 469 of 20,000

security

/səˈkjʊrɪti/ American
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  • n. 安全
  • n. 担保物
  • n. 证券
Definition
  • n. protection from danger
  • n. something given as a guarantee for a loan
  • n. a stock, bond, or similar document that can be bought or sold
Example
The airport has strict security checks before boarding.
机场在登机前有严格的安检。
Word familysecur-