It's possible that some part of your head,

那么你们的头部
your back or even your face

背部甚至脸部
might end up on the film.

都可能被镜头扑捉到
If you're on a witness protection program

如果你在证人保护计划之内
or you're sort of fugitive

或者是个逃犯级人物
you probably don't want to sit on the front roll.

就尽量不要坐在前排了
If people wanna kind of slide back,

各位要是现在想换到后排就放心换
that's fine,

没关系的
as I'm talking

我不介意
Okay, we're ready.

好我们可以开始了
I'd like to welcome people to this course, Introduction to Psychology.

欢迎大家选择心理学导论这门课程
My name is Dr. Paul Bloom.

我是保罗·布罗姆博士