This is the 3313th most frequent Chinese word.
国防部
Ministry of National Defense
In this example, '国防部' functions in genitive form, denoting possession related to the press conference.
记者们正在等待国防部的新闻发布会开始。
Journalists are waiting for the Ministry of National Defense's press conference to begin.
In this sentence, '国防部' is used as the subject, referring to the governmental organization responsible for national defense.
国防部宣布了一项新的国家安全政策。
The Ministry of National Defense announced a new national security policy.
Here, '国防部' is part of a prepositional phrase, specifying the entity related to the subject matter of the sentence.