这是我第一次野营，我玩得很开心。

This is the first time for me to go camping and I enjoy it so much.

youdao

孩子们正在进行一次野营旅行吗？是的。

Are the children having a camping trip? Yes, they are.

youdao

夏洛克·福尔摩斯和华生医生正在进行一次野营旅行。

Sherlock Holmes and Dr Watson go on a camping trip.

youdao

And let's imagine that I went on a camping trip.

假设我参加了一次野营

耶鲁公开课 - 基础物理课程节选