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
and I have a production meeting at four.
我四点钟有个生产会议。
It's no use pumping a dry well.
徒劳无益。
The rabbit ran to the woods and did not come back any more.
兔子跑进了森林再也没有出来了。