The professor stood on the rostrum and told us about European history.

教授站在讲台上向我们讲述着欧洲历史。

He took a selfie with his camera on a rostrum.

他把照相机放在支架上进行自拍。

The beetle's rostrum is very special and easy to recognize.

甲壳虫的嘴的造型很特别，很好认。

He stands on a rostrum when he's speaking to an audience.

当他向听众讲话时 他站在讲台上

As he stood on the winner's rostrum, he sang the words of the national anthem.

当他站在领奖台上，他唱起了国歌中的词句。

Every eye at the conference was focused on the rostrum.

代表们的眼光都集注在大会主席台上。

He stalked up the rostrum.

他昂首阔步走上了主席台。

Then he advanced to the rostrum.

然后他向主席台走去。

They stood on the huge red rostrum.

他们站在巨大的红色城楼上。