Corps of engineers
工兵部队
🧩 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];
n. 工程师；机械师（engineer的复数）
🗣️ 情景例句
I researched it for over a year.
我研究了一年多。
His heart cannot be pure whose tongue is not clear.
嘴不净者心不纯。
Like this?
像这样吗？