security造句
Wherever they went they were closely followed by
security men.
不管上哪儿，保安人员都紧跟在他们身后。
The exact locations are being kept secret for reasons of
security.
确切地点因为安全原因要保密。
ASEAN has branched out tentatively into the
security business.
东盟已经尝试将合作范围拓展到安全领域。