national-security的用法和樣例：
例句
用作形容詞 (adj.)
- The group was considered to be a risk to national security.
這夥人被認為是威脅國家安全的危險分子。 - On Thursday the National Security Council held a long and confused session.
星期四，國家安全委員會開了一次冗長而混亂的會議。
用作名詞 (n.)
- The group was considered to be a risk to national security.
這夥人被認為是威脅國家安全的危險分子。 - On Thursday the National Security Council held a long and confused session.
星期四，國家安全委員會開了一次冗長而混亂的會議。
