当他是一名飞行员时，他曾在一次任务期间半年不回家。

When he was a pilot, he once did not come back home for half a year during a mission.

youdao

第一次任务是在十年前进行的，当时在全世界进行了现场直播。

The first mission was undertaken a decade ago and broadcast live then worldwide.

youdao

不过这是最后一次任务。

Still, this was the last one.

youdao

Can you tell us about the most difficult assignment or paper that you've had to do?

你能给我们讲一讲你最难的一次任务或者论文吗？

考试考砸了怎么办 - SpeakingMax英语口语达人