Sometimes original art works appear questionable or inauthentic because they've had so many restorers add touch-up layers to cover up damage, damage from the paint having deteriorated over time.

有时候艺术品真迹看起来是赝品，是因为很多修护人员添加了很多层保护膜，以覆盖油画上的损伤；而随着时间的推移，画作上损坏的地方已经恶化了。

youdao

He presented Albert with a rat, and every time the baby reached out to touch it, Watson hit a steel bar with a hammer to produce a horrendous clang.

他给艾伯特一只小鼠，每当小艾试图触摸它时，沃森都会用锤子敲击一根铁棒以发出一种可怕的声响。

youdao

When children start school for the very first time, parents often feel a sense of excitement coupled with a touch of sadness at the end of an era.

当孩子们第一次上学的时候，父母们常常会感到兴奋和些许悲伤，因为这是一个成长阶段的结束。

youdao

If I say I want to touch base with you, I will talk to you from time to time about something we plan to do.

VOA: special.2009.04.12

In touching the Lady's fingertip, it's as if Sabrina were awakening for the first time the Lady's sense of touch.

碰触着女士的指尖，Sabrina似乎在,头一次唤醒女士的触觉。

耶鲁公开课 - 弥尔顿课程节选

Well, that suggests that you were not using memory correctly and so we'll tease apart today exactly what it means to navigate inside of a computer by way of memory and we'll also touch on over time what are some of the evils that might happen.

嗯，那表示你没有正确地使用内存,我们将详细讨论,怎样操纵计算机的内存,以后，我们还将提及,可能发生的有害的操作。

哈佛公开课 - 计算机科学课程节选

They lose touch over time.

FORBES: The Fallacy of 'The Seven Habits of Spectacularly Unsuccessful Executives'

Why is that conflict something that they feel they have to touch one more time?

NPR: Iran, Peace Top Agenda for Bush's Mideast Trip

Whittingham was totally free from Hasselbaink's touch and had time and space to stroke the ball past Wayne Hennessey.

BBC: Cardiff 2-0 Wolves