I'm going to let you think about it for about thirty seconds or so.

我给大家,30秒时间。

麻省理工公开课 - 热力学与动力学课程节选

We can spend late hours rendering something and then have a go-by in thirty seconds.

我们可以用后来的时间,对一些东西做艺术处理,然后跳过这三十秒。

麻省理工公开课 - 媒体、教育、市场课程节选

Okay. So here we're going to go-- The gentleman in the orange shirt-- I hate to do this to you but we've got thirty seconds.

好的,接下来我们要,那个穿橙色衣服的先生,我不想这么对你,不过我们只有三十秒了

耶鲁公开课 - 聆听音乐课程节选

They really need a good three minutes and thirty seconds here.

他们得有一个表现出色的三分半

耶鲁公开课 - 聆听音乐课程节选

We'll run about thirty seconds over as we listen to the "Lacrimosa" Out of the "Dies irae" Out of the Requiem Mass of Wolfgang Amadeus Mozart written in Vienna 1791.

我们要多听三十秒,《末日经》里的《落泪之日》,沃尔夫冈·阿玛迪乌斯·莫扎特的《安魂弥撒曲》,写于1791年维也纳

耶鲁公开课 - 聆听音乐课程节选

That held for about thirty seconds, that tonic chord.

这样大概经过了30秒的样子，就是那个主音和弦。

耶鲁公开课 - 聆听音乐课程节选