1. Who´s climbing the tree?
    谁在爬树？

2. Indoor mountain-climbing centers, with artificial peaks and cliffs;
    室内登山中心，那儿有人造山峰与悬崖；

3. They were climbing up the wall of the house and then on to the leaves of the tree.
    它们正在顺着房子的外墙往上爬，然后爬上树叶。

4. They like climbing, running, diving, swimming, lifting, jumping, and so on.
    他们喜欢登山、赛跑、潜水、游泳、举重及跳高等。

5. The plane blasted into the air like a bullet shot out of a rifle, and soon we were at 2,000 feet and climbing.
    飞机像离膛的子弹射入空中，很快我们升到了2,000英尺的高空，并在继续爬升。

6. He gets his thrills from rock-climbing.
    他从攀岩运动中得到兴奋、 刺激的感受.

7. He´s climbing the tree.
    他正在爬树。

8. So the climbing is very difficult.
    因此攀登非常困难。

9. People also enjoy the excitement of climbing mountains or of riding in a boat on a river that is moving very quickly or of racing in a car around a track.
    从登山中，从在湍急的河流里扬帆荡桨中以及从竞技车赛中人们获得刺激。

10. So I got a ladder from the shed in the garden, put it against the wall, and began climbing towards the bedroom window.
    于是，我从花园的小棚里搬来了一个梯子，把它靠在墙边，开始向卧室的窗口爬去。