Hi.

你好。

We can take a picnic.

我们还可以野餐呢。

We must decide which one to buy.

我们必须决定要买那一台。

It's about a time when there were black slaves in North America. It's about their fight for freedom.

（它）讲的是有一段时期，北美洲存在黑奴。影片讲述他们为自由而斗争的情况。

It's nothing serious.You'd better have a good rest.

（病情）不太严重。你最好好好休息一下。

All kinds of jobs. There are women police officers, women doctors, teachers, engineers, farmers and so on.

各种各样的工作。有女警官、女医生、女教师、女工程师、女农场主等。