Point of departure
出国 Abroadn. 开航点，出发点
🧩 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
I'm sorry I'm so late.
对不起 我迟到了这么久。
I'm going to show him how to speak Chinese.
我正要指点他如何讲中国话。
A week before, he had completed a successful overland flight during which he covered twenty-six miles.
一周以前，他曾成功地进行了一次26英里的陆上飞行。