Tom's climbing up the tree.

汤姆正在爬树。

Nick's climbing up the jungle gym.

尼克正在爬攀登架。

Climbing up crags to get a view of islands.

攀上高岩峭壁一睹风光无限的海岛。

Robin chickened out of climbing up the tree.

罗宾胆怯了,不敢爬这棵树了.

The boy chickened out of climbing up the tree.

男孩胆怯了,不敢爬上这棵树.

I told her about him climbing up the drainpipe.

我跟她讲了他从排水管爬上去的事情。

He saw a host of monkeys climbing up the trees.

他看见一群猴子爬上树去.

At last he succeeded in climbing up the difficult mountain.

他终于成功地登上了这座难以攀登的山峰。

Climbing up the mountain also means climbing up the social ladder.

顺着土山往上爬渐渐步向较高的社会阶层。

If you are climbing up a slope, you move to a smaller gear.

如果您是攀登了一个斜坡，你转移到更小的齿轮。