Captaining
vt. 当首领（captain的现在分词形式）
🗣️ 情景例句
What are you working on?
你在干什么？
A test pilot needs plenty of nerve.
飞行试飞员需要极大的勇气。
What's that, Jim? Is it a picture?
吉姆，那是什么？一张照片？