慢速英语:Colorful Dinosaur Discovered in China

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in good condition保养得很好,完好无损,健康状况良好

2. He says dinosaurs probably could not get off the ground to fly.

get off离开; 动身

例句：We got off immediately after breakfast.
      早饭后我们立即启程。

3.Workers have been busy picking up broken branches, some as thick as fifteen centimeters.

be busy doing sth忙于(做)...

例句：He who is too busy doing good finds no time to be good.
      太急于做好事的人，反而找不到时间去做好人。

pick up拾起, 捡起; 抬起

例句：He picked up the child and put her on his shoulders.
      他抱起孩子, 让她骑在自己的肩膀上。

      I picked up your book by mistake.
      我拿错了你的书。