Judging from the short trailer, it's a medieval fantasy MMO. The trailer itself is reminiscent of a Blizzard trailer;

从宣传短片看，是中世纪奇幻风格MMO，短片的风格让人联想到暴雪的短片。

youdao

Itan short promotion trailer for Expo 2010 Shanghai, really short and excellent!

一段着实精彩的2010年上海世博会宣传预告片！ ！

youdao

It also can haul a trailer for short-distance transport.

它还能够长途短途运输的拖车。

youdao

The thing is, he and his battalion weren't even supposed to be here, and that's one way to consider every thing that was about to happen as Kauzlarich, awake now, dressed now, made the short walk from his trailer to the battalion's operations center.

NPR: Excerpt: 'The Good Soldiers'

Edited and scored with the dramatic tension of a summer blockbuster trailer, NASA's put together a gripping short clip that dresses down Curiosity's mission to Mars for the layman.

ENGADGET: NASA's Seven Minutes of Terror: Curiosity's precarious Mars landing explained (video)

He said the project began as one of the short-form sketches Funny or Die is best known for: a spoof trailer for a Jobs biopic.

CNN: Funny or Die making spoof Steve Jobs biopic