We practise entrances and exits.

我们排练登场和退场。

This was known as panning for gold.

这就是人们所熟知的“淘金”。

Well, we listened to lectures about pollution, agriculture, nuclear waste, radiation and so on.

噢，我们听取有关污染、农业、核废料、辐射等讲座。

What's the matter with your foot, Jane?

珍妮，你的脚怎么了？

Come in and have a seat.

请进来坐。

How do you manage in your wheelchair?

你坐在轮椅上怎么能旅游呢？