at the opening

基本解释

Our headmaster rattled on for at least two hours at the opening ceremony.
我们的校长在开学典礼上唠唠叨叨地讲了至少两个小时。
Just take a look at the opening sentence of this blog post… I invaded your mind and got you thinking about crafting successful messages.
想想这篇文章的第一句话……我在那时就已经潜入了你的内心，让你思考到底什么才是真正成功的语句。
At the opening moment of this convention, I express my deep gratitude to the hosts for my opportunity to make a speech about peace and development issues.
值此大会开幕之际，我为能有机会就和平与发展问题进行发言，谨向东道主致以深深的谢意。

He spoke at the opening of a military cemetery.
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