1.wide作为形容词，基本含义是:从一边到另一边是宽的；宽的
The road was just wide enough for two vehicles to pass.
这条路的宽度刚好能让两辆车开过。
How wide is that stream?
那条小溪有多宽？
She stared at him with wide eyes.
她睁大了眼睛瞪着他。
Sam has a wide mouth.
萨姆有一张大嘴。
It brought a wide smile to his face and laughter to his eyes...
这让他眉开眼笑。
引申意义是 large number/amount大量的；广泛的；范围大的
a wide range/choice/variety of goods
一系列品种繁多的 / 大量可供选择的 / 各种各样的货品
Her music appeals to a wide audience.
她的音乐吸引了大批的听众。
Jenny has a wide circle of friends.
珍妮交友甚广。
It's the best job in the whole wide world.
这是整个大千世界中最好的工作。
The incident has received wide coverage in the press.
这个事件已被新闻界广泛报道。
The festival attracts people from a wide area.
这个艺术节吸引了四面八方的人。
此时，它的副词就是widely“广泛地；大大地，灿烂地”
At present, no widely approved vaccine exists for malaria.
目前，还没有被广泛认可的疟疾疫苗。
He was grinning widely, waving to her as he ran.
他咧嘴大笑着，一边跑一边向她挥手。
He published widely in scientific journals.
他在科学期刊上广泛发表文章。
He was widely travelled.
他去过很多地方。
The treatment regime may vary widely depending on the type of injury.
因受伤类型不同治疗方法可能有很大的区别。
2.wide也是某种意义上的形副同形， wide作形容词是宽的，作副词时和宽本身意义关系不大，延伸为"充分地完全地；两者尽可能远地；"。那么"广泛地"怎么表达呢?上面说了就是widely，在wide基础上加ly,比如:
The computers are widely used.电脑被广泛地应用。
She was wide awake.
她完全醒着。
She was wide awake all night after he had left.
他走后她彻夜未眠。
People came from far and wide to see the concert.
人们从四面八方赶来看音乐会。（固定搭配）
The fish sleep with eyes open wide.
鱼睁大着眼睛睡觉。
His eyes were wide open, but he was, apparently, dead.
他的眼睛睁得大大的，但他显然已经死了。
总结一下，wide有形容词宽的，还有副词：充分地完全地；两者尽可能远地两个意思。而widely则是广泛地普片地；范围广地;很大程度上;大大地意思。
The door was wide open.
门四敞大开。
He stood with his legs wide apart.
他两腿分开站着。
In a few seconds she was wide awake.
片刻之间她完全醒来。
Open your mouth wide.
把嘴张大。
He has laid himself wide open to political attack.
他在政治上已经处于极易受到攻击的境地。
She had left the door wide open.
她把房门敞开着。
The door was wide open.
门四敞大开。
The idea is now widely accepted.
这个思想现在已获得普遍接受。
He has travelled widely in Asia.
他在亚洲许多地方旅行过。
Her books are widely read (= a lot of people read them) .
她写的书有众多的读者。
He's an educated, widely-read man (= he has read a lot of books).
他这个人受过良好教育，博览群书。
She's very widely read in law.
她在法律方面知识渊博。
Garlic is widely used in Chinese folk medicine.
大蒜广泛应用于中国民间医药。
The school is widely admired for its excellent teaching.
这所学校教学优秀，远近称誉。
He is widely acknowledged as the best player in the world.
普遍认为他是世界最佳球员。
She is widely regarded as the current leader's natural successor.
人们普遍认为她是现任领导的当然继任者。
The idea is now widely accepted.
这个思想现在已获得普遍接受。
It is widely known that CFCs can damage the ozone layer.
众所周知氯氟烃会破坏臭氧层。
Her books are widely read.
她写的书有众多的读者。
He's travelled widely, chiefly in Africa and Asia.
他游历了许多地方，主要在非洲和亚洲。
It's widely rumoured that she's getting promoted.
到处都在传要提拔她了。
He has travelled widely in Asia.
他在亚洲许多地方旅行过。
Their findings have been widely disseminated.
他们的研究成果已经广为传播。
The move was widely seen as an attempt to appease critics of the regime.
普遍认为，这一举措是试图安抚批评政权的人。
The conversation ranged widely.
谈话所涉及的范围很广。
Although not formally trained as an art historian, he is widely respected for his knowledge of the period.
虽然他不是科班出身的艺术史学家，但他对这一时期的知识却普遍为人尊重。
Rural communities are widely separated and often small.
乡村村落彼此离得很远，而且通常规模很小。
Such a diet is widely believed to offer protection against a number of cancers.
这种饮食结构被广泛认为可以预防多种癌症。
The cost of capital is widely misunderstood.
对资本成本存在着广泛的误解。
His achievements, though hardly exciting, were widely admired.
尽管他的成就不怎么激动人心，可依然备受赞赏。
Scientific research is widely claimed to be the source of the high standard of living in the US.
科学研究被普遍认为是美国高生活水准的源泉。
'The Last Supper' is widely regarded as Leonardo da Vinci's masterpiece.
《最后的晚餐》被公认为是达芬奇的代表作。
The two groups became widely separated.
这两个团体已经分道扬镳。
These works were popular and widely reproduced.
这些作品广受欢迎并被广泛转载。
The availability of nursery school places varies widely across London.
伦敦幼儿园的分布非常不均衡。
Parental attitudes vary widely.
家长态度千差万别。
Standards vary widely.
程度参差不齐。
Prices vary widely from shop to shop. 各家商店价格悬殊很大。
Customs vary widely from one area to another.
不同地区的风俗迥然不同。