Now those of you who have been in other classes where you've used these

上过其它课程的同学可能知道
will know what these are and you may even have the clicker already.

有的也许已经拿到表决器了
What the clicker is is a little device

表决器是一种小型设备
that will allow you to enter responses to questions

你可以通过它回答问题
that will then get entered into my computer

这些答案会传进我的电脑
and we can show immediate poll results from the class.

我们就可以迅速地得到投票结果
It's really pretty interesting and nice technology.

实在是很有趣的科技产品
And these can be checked out

你们可以到对面的
at the Bass Library that's on the cross campus.

巴斯图书馆登记领取
There's no charge to students.

对学生是免费的
I'm not sure if they make you pay a deposit,

我不知道是否需要交押金
but I think you can just check them out,

不过你们可以去登记领取