OK.Down a half. "Thirty seconds ..." "Forward drift?"

VOA: special.2009.07.15

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

Five hours after the explosion, flight controllers advised firing the rocket for thirty-five seconds.

VOA: special.2009.07.22

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

Historians say thirty-two shots were fired in the space of about twenty-three seconds.

VOA: special.2010.02.15

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

Thirty-six seconds after lift-off, lightning hit the huge Saturn Five rocket.

VOA: special.2009.07.29

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