They approach, embrace, and poof! they disappear in a blinding flash of light.

他们走近、拥抱，然后，噗--他们就在一道炫目的光亮中消失了。

《柯林斯英汉双解大词典》

Then they disappear again.

然后，它们又再次消失。

youdao

Will they disappear?

他们会消失吗？

youdao

Beth Polidoro says they may disappear within the next ten years unless action is taken to protect them.

VOA: special.2010.04.20

The idea is that if you spread risks they don't disappear, they're still there, but they're spread out over many people and the impact on any one person is reduced.

这种观念就是说如果你把风险分散...,风险仍然存在,并没有消失,但如果风险分散到许多人身上,那每一个人受到风险的冲击就会减少

耶鲁公开课 - 金融市场课程节选

They seem to disappear from cool waters of the Atlantic and Pacific Oceans.

VOA: special.2009.06.16

Dont be surprised if they disappear as quickly as they emerged if the economy turns sour.

FORBES: Going Into Hock

Concerts are human contact with the band, with other fans, and they disappear after a few hours.

FORBES: Prince Is Right. The Internet Is Over.

Elections may come and go in Europe but they disappear, largely ignored by the denizens of London SW1.

BBC: Will UK politicians read too much into how Obama won?