“机密”造句
这一聚合物的性质目前是个商业
机密。
The nature of the polymer is currently a trade secret.
她从未参与过为任何人获取或复制
机密文件之事。
She never participated in obtaining or copying any classified documents for anyone.
他获得了安全许可，可以接触
机密信息。
He has a security clearance that allows him access to classified information.