securing key

例句：

1. 1. The company is securing a new contract with the government.
   该公司正在与政府签订新合同。
2. 2. The meeting was secured by the speaker's strong arguments.
   会议由发言人的有力论点保障。
3. 3. The security measures were carefully secured to prevent any unauthorized access.
   安全措施被仔细加固，以防未经授权的访问。