The European anthem was played at the opening and closing ceremonies.

欧洲颂歌在开幕式和闭幕式上演奏。

《牛津词典》

You can see it at the opening ceremony.

你可以在开幕式上看到它。

youdao

We see some balloons rising into the air at the opening of our new library.

在我们新图书馆开幕时，我们看到一些气球升到空中。

youdao

He spoke at the opening of a military cemetery.

VOA: special.2009.11.19

I propose that we think of Milton at the opening of Lycidas as being stuck, stuck at a particular point in the imagined, the projected or fantasized, trajectory of his career.

我提议我们设想弥尔顿在的开头，是被他的一种假设的，设想中的或理想化的，职业生涯轨迹所束缚了。

耶鲁公开课 - 弥尔顿课程节选

If you put your fingers between the plastic opening at the bottom, and here's where you gotta watch out for the spring, pull the thing apart and that's it.

如果你把手指放到,底部的缝隙中间，这里你需要小心，你剥开就会发现这个了。

哈佛公开课 - 计算机科学课程节选

Rowling declined, more than once, an invitation to appear at the opening ceremony of the Olympics.

NEWYORKER: Mugglemarch

The medals will be awarded to the winners at the opening ceremony on 29 May 2013.

UNESCO: Patrimoine culturel immat��riel

Shareholders who bought at the opening lost about half their money in nine months.

WSJ: Review & Outlook: Silicon Valley's Green Energy Mistake