一、Mountainclimbing是什么短语？
mountain climbing是名词短语。
【基本意思】爬山运动
【英文释义】 the climbing of mountains, especially the scaling of rock faces by means of special equipment and technique
【代表例句】 This is a fantastic area for hiking and mountain climbing.
1、 Hiking Boots are specially-made footwear for men and women that are suitable for hiking, camping, and mountain-climbing.
远足靴是特制鞋的男人和女人，适合远足，露营，和登山。
3、 For hysical exercises, I would rather go mountain-climbing tha just take a walk.
为了体育锻炼，我宁愿去爬山，也不去散步。
4、 He wore mountain-climbing boots, expensive ones, his pride and joy, Italian make, in which he clomped around over the sawdust floor of the bar like an oldtime lumberjack.
他平时也会穿登山靴，很贵的那种，那是他的骄傲和快乐之源，意大利产，他蹬着靴子重重地踏在酒吧里沾满木屑的地板上时就像个旧时的伐木工。
5、 Jon Krakauer wrote Into Thin Air, another book about a mountain-climbing tragedy, which became a publishing sensation.
可十年后，有趣的事发生了。JonKrakauer写的另一部描写登山悲剧的书《进入稀薄空气》成为了畅销书。
6、 These young men take pleasure in mountain-climbing on their holidays.
在假日里，这些年青人以爬山为乐。
7、 In order to help you have a sound sleep tonight, let's go mountain-climbing.
为了让你晚上能够睡得更香，我们爬山去啊。
二、climb和climbing区别？
①
cIimb的意思是攀登；爬；（尤指吃力地向某处）爬；登山；攀岩（作为业余爱好或运动）；爬阶梯；攀登用的时间。
例如：As they climbed higher, the air became cooler. climbing的意思是攀登；登山运动；攀岩活动；是climb的现在分词，例如：She couldn't visualize climbing the mountain.
②
climb:
v. 爬；攀登；上升；（植物沿墙或架子）攀缘生长；晋升；（道路）倾斜向上；爬升；费力爬进（或爬出）
n. 爬；攀登；增值；（职位或社会地位的）提高；（名次的）攀升；（登山或攀缘运动中要爬的）山；山道；（飞机的）爬升
Nancy began to climb the stairs.
南希开始爬楼梯。
It's an hour's climb to the summit.
爬到顶峰需要一小时。
I found the climb absolutely petrifying.
我觉得这次爬山太吓人了。
Can you climb down?
你能爬下去吗？
My muscles had stiffened up after the climb.
爬上去以后我两腿都发僵了。
climbing:
n. 爬山；攀登；上升
adj. 上升的；攀缘而登的
v. 爬；上升；（植物）攀缘而上；费力爬出（狭窄空间）（climb 的现在分词）
I prefer walking to climbing.
我喜欢散步多于喜欢爬山。
He mimed climbing a mountain.
他用哑剧形式表示爬山。
Climbing so high made me feel dizzy.
爬那么高使我感到头晕目眩。
He was burning to go climbing again.
他渴望再去爬山。
He likes to go climbing most weekends.
在多数周末他都喜欢去登山。
③
climb的基本意思是“攀登,向上爬”,是指步行或用手脚(也可借助工具)向上攀登,也可指日月的上升。引申可表示在社会地位上“钻营”“向上爬”; 在非正式用语中可作“匆忙或费力地穿衣或脱衣”解,此时常与介词into连用; 也可指货币“增值”。
climbing过去式：climbed; 过去分词：climbed; 基本意思是攀登; 登山; 爬( climb的现在分词); （尤指吃力地向某处）爬
④
前者是动词原形 后者是现在分司或动名词
⑤
climb是爬攀爬意思，climbing是正在爬正在攀爬意思。
⑥
一个是名词，一个是动名词
⑦
一个是动词原型，一个是动词的现在进行时
三、outdoor activities介绍？
英语短语outdoor activities，就是我们常说的“户外运动”。常见户外运动包括登山（mountain climbing）、攀岩（rock climbing）、野外露营（camping）、野炊（picnic）、探险（expedition）等项目。
【更多同类表达】 Mountain climbing is also a good exercise to keep you fit. 爬山也是一种使你保持健康的运动。
四、climb mountains与mountain climbing的区别？
都是“爬山”，区别在于性质不一样，moutain climbing 形容词短语，“关于爬山的”中心词是climbing moutains是定语，修饰climbing，关于山的攀爬，也可以是关于岩石的如rock climbing，tree climbing等等
而climbing mountains 是动词短语，动宾结果，本来是climb the mountains ，这里加了ing名词化，但是动宾结果不变。例句：
Climbing mountain needs climbers to be fit（爬山需要攀爬者身体健康）指这件事
My hobby is moutain climbing activity（我最喜欢的登山活动）这里当形容词。
