The Queen unveiled a plaque to mark the official opening of the hospital.

女王主持揭幕式，标志着医院正式启用。

《牛津词典》

Every time you skip a question, be sure to mark it in time.

你每跳过一道试题，一定要及时标记。

youdao

So maybe the cache was a way to mark the place as significant.

所以也许贮存物是一种把这个地方标记为重要的方法。

youdao

This past week,volunteers from Red Cross and Red Crescent societies around the world gathered in Solferino to mark the anniversary.

VOA: special.2009.07.01

One way to mark time is to imagine it carries a clock as it moves, and put markers every second.

标记时间的一种方法是,想像它带着时钟运动,并且每秒做一次标记

耶鲁公开课 - 基础物理课程节选

The first step is divide them in half. All right? I'm not sure how to mark it here, remember I need to come back there. I'm not yet done. What do I do?

我不能确定如何,在这里进行标记,记住我会回这里进行讲解,我还没做完呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

The solstice is a historically pagan celebration to mark the longest and shortest days of the year.

UNESCO: UK National Commission for UNESCO - Longest crowds for the longest day, as Stonehenge solstice visitors reach 23,000

Any radical regulatory surgery would also require governments to mark out some very artificial boundaries.

ECONOMIST: The contract between society and banks will get stricter

After the unlawful detention ruling last summer, the council apologised to Mark and Steven Neary.

BBC: Hillingdon Council to pay Steven Neary ?35,000