No, it's not an alien starship battling distant Earthlings, but rather a sun pillar.

那可不是外星人的飞船在地球上进行登陆作战，而是太阳的光柱。

youdao

Dive like your shadow, do not leave any trace and be a sensible part of the underwater world, not an alien.

潜水就像你的影子，不要留下任何痕迹，做水下世界中明智的一部分，而非异类。

youdao

Hours spent sitting a desk staring into a computer screen is not an alien experience for many office workers.

对许多办公室人员而言，连着好几个小时坐在桌子前，两眼盯着电脑屏幕看东西已成家常便饭的事了。

youdao

"The rhythms of the game are very similar to domestic cricket and it's not an alien game to me, " he says.

BBC: SPORT | Cricket | England | Swann back from the wilderness

Around that time, the cutlers claimed that "foreigners" were largely to blame for poor quality merchandise: "When it is remembered that a 'foreigner' was not simply an alien but anyone, Londoner or otherwise, who was not free of the City - a freedom gained through membership of a mistery - the extent of their power to control the trade will be appreciated, " adds Girtin.

BBC: Lessons from history: Can royalty guarantee a free press?

In this episode, the gunslinger was out to kill an alien Doctor, just not ours.

FORBES: Doctor Who: 7.03: The Quality of Mercy Is Strained