Nobel laureates are required to give a public lecture within six months of accepting their award.

诺贝尔奖获得者需要在领奖后六个月内发表公开演讲。

A well-known scientist (some say it was Bertrand Russell) once gave a public lecture on astronomy.

一位著名的科学家（有人说是伯特兰·罗素）曾经做过一次关于天文学的公开演讲。

In 1888 she delivered a series of six hugely  popular public lectures on electricity, in which she held out to her audience a  compelling vision of an electrified future.

1888年， 她发表了六场广受欢迎的关于电力的公开演讲，向听众展示了一个令人信服的电气化未来愿景。

Crew members aboard China's Tiangong space station will livestream their second public lecture on science and space in the near future, the China Manned Space Agency (CMSA) announced Tuesday.

中国载人航天工程办公室了解到，中国空间站" 天宫课堂" 将于近期择机开展第二次太空授课活动。

And, what's so interesting about that, so remarkable, and this is something that's really manifested itself to me, as I've been doing these public lectures - I've been talking about responsibility to people.

而且，这有什么有趣的， 如此引人注目的， 这是真正向我展示的东西，因为我一直在做这些公开演讲——我一直在谈论对人的责任。

Just under a year ago, he appeared at a public lecture in a wheelchair to announce that he was suffering from a variant of motor-neurone disease, in which the body succumbs to inexorable paralysis: like being imprisoned in a shrinking cell, he said.

就在一年前，他出现在公共演讲庭，坐在轮椅上告诉别人，自己现如今正被不同种类的动态神经细胞病变所折磨，这是一种将身体蹂躏成麻痹状态的病：感觉像困兽般被囚禁在一个不断缩小的牢笼中，他坦言到。