Secretary of defense
n. 国防部长\\n
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Chablis is fine.
好的。
But We tried very hard to adapt ourselves to the new environment.
但是我们尽量去适应新的环境。
It was simply a blank sheet of paper.
而是一张白纸。