You have to be comfy on camera but this is your first chance to say hello to mom and dad on camera.

在镜头前表现得自然点儿,因为这是你第一次在电视上跟爸妈打招呼。

哈佛公开课 - 计算机科学课程节选

Now, if you are standing there with your -- by the way the first three rows have a chance of hitting each other.

现在,如果你站在那里用你的 --,顺便提一下前三排有机会互相攻击

耶鲁公开课 - 古希腊历史简介课程节选

For those of you don't know what that is it's simply an instrument that counts radioactive particles in the air, and MIT now that you're at MIT, you'll all have a chance to see one first hand if you're ever in any of the labs, especially in the chemistry or bio labs.

不知道它是什么,它就是一个简单的,计算在空气中放射粒子数目的仪器,你们现在来了，如果你们在实验室里工作的话,尤其是化学和生物实验室，你们有很多机会亲手用到它。

麻省理工公开课 - 化学原理课程节选

For the first time"--this was, of course, the French aristocrat de Tocqueville "For the first time we have had the chance to examine the effect that slavery produces on a society.

第一次",这位托克维尔即是,法国的那位贵族德·托克维尔,"第一次我们有机会仔细观察,奴隶制对一个社会造成的影响

耶鲁公开课 - 美国内战与重建课程节选