On the morning of the 26th (bottom), the slick appeared to disappear, but this was due to changes in lighting conditions, not the absence of oil.

在26日上午(下图)，浮油似乎消失了，但是这只是由于光照条件的变化导致的，而不是油污真的消失了。

youdao

One of the biggest changes during my absence was the advent of the Internet.

我不在的那段时期发生的巨大的变化之一就是出现了互联网。

youdao

Results in the patients with mild tooth agenesis, the limited changes in hard and soft tissue parameters were induced only by the number of tooth absence.

结果在轻度牙齿先天性缺失患者中，牙齿缺失数目引起硬、软组织参数的变化是有限的。

youdao

Other than the enforced absence of Vickery, the other two personnel changes from the win over the United States are in the back row, with Worsley and former captain Dallaglio the players to make way.

BBC: England face crisis at fly-half

The government asked Professor Carol Black and the former head of the British Chambers of Commerce David Frost to consider radical changes to deal with the human and financial cost of sickness absence in the workplace.

BBC: GPs should 'not sign off long-term sick'

They argued that it was the absence of unions at charter schools that allowed administrators to make quick changes to staffing and scheduling in the pursuit of innovation.

FORBES: Will Conservatory Lab Charter School Stay Unionized?