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Two brothers, Liam and Jessin Fisher, were hiking in North Dakota with their father and cousin, Kaiden Madsen, during the summer of 2022.
2022年夏天，利亚姆和杰辛·费舍尔两兄弟与父亲还有堂兄凯登·马德森在北达科他州徒步旅行。
They were looking for dinosaur fossils.
他们在寻找恐龙化石。
And they found one.
他们找到了一个。
Liam and his father, Sam, noticed a large leg bone sticking out of the ground.
利亚姆和他的父亲萨姆注意到一根大腿骨从地上延伸出来。
They shouted to the others to come and look.
他们喊着让其他人过来看看。
“They came running," said Liam, who is now nine years old.
利亚姆现年9岁，他说：“他们跑了过来。”
"And dad asked, 'What is this?'
然后爸爸问，‘这是什么？’
And Jessin said, 'That's a dinosaur.”
杰森说，‘那是一只恐龙。’”
Two years later, experts removed the fossils from the ground and the remains of a young Tyrannosaurus rex are now at a museum in Colorado where people can see them.
两年后，专家们将化石从地下挖掘出来，现在，少年霸王龙的遗骸被存放在科罗拉多州的一个博物馆里，人们可以在那里看到。
The dinosaur is being called “Teen Rex” because it was not yet an adult when it died.
这只恐龙被称为“少年霸王龙”，因为它死的时候还没有成年。
The Denver Museum of Nature and Science announced the find in early June.
丹佛自然与科学博物馆于6月初宣布了这一发现。
The fossil will be displayed and studied for years to come.
在未来的几年里，这块化石将被展出和研究。
Jessin is now 12.
杰森现在12岁了。
When he saw the leg bone, he was sure it was a dinosaur, but he did not know what kind it was.
当他看到腿骨时，他确定这是一只恐龙，但他不知道是什么种类。
His father, Sam, contacted a childhood friend, Tyler Lyson, a scientist who studies dinosaurs and works at the museum in Denver.
他的父亲萨姆联系了儿时的朋友泰勒·莱森。泰勒·莱森是一名研究恐龙的科学家，在丹佛的博物馆工作。
He sent a photo and Lyson started working on the permissions required to do an excavation.
他发了一张照片，莱森开始研究进行挖掘所需的许可。
Last year, everyone went back to the place to start working.
去年，每个人都回到了那个地方开始挖掘工作。
At first, the group thought the bone belonged to a smaller plant-eating dinosaur.
起初，研究小组认为这块骨头属于一种较小的食草恐龙。
But later that day, Lyson said he and Jessin found the lower jaw and some large T. rex teeth.
但当天晚些时候，莱森说他和杰森发现了下巴和一些大的霸王龙的牙齿。
“It still gives me goosebumps,” Lyson said.
莱森说：“这些牙齿仍然让我起鸡皮疙瘩。”
"I was completely, like, speechless," said Kaiden, who is now 11.
现年11岁的凯登表示：“我完全，说不出话来。”
Tyrannosaurus rex was one of the largest meat-eating dinosaurs.
暴龙霸王龙是最大的食肉恐龙之一。
Scientists say it lived in what is now North America about 67 million years ago.
科学家们说，大约6700万年前，它生活在现在的北美。
All dinosaurs disappeared about 66 million years ago.
所有的恐龙大约在6600万年前消失了。
The scientists say the young T.Rex was 13 to 15 years old.
科学家们说，这只少年霸王龙约13-15岁。
These dinosaurs are considered fully grown starting at 18 years.
这些恐龙被认为是从18岁开始完全成年的。
The “Teen Rex” was about 7.6 meters long, about two-thirds the size of an adult.
“少年霸王龙”长约7.6米，约为成年霸王龙的三分之二。
One fossil, named Sue, which is displayed at the Field Museum in Chicago is 12.3 meters.
芝加哥菲尔德博物馆展出的一块名为苏的化石有12.3米长。
Lyson said the Denver display will not be as big as the display in Chicago because much of it is still contained in a large piece of rock.
莱森说，丹佛的展品不会像芝加哥的展品那么大，因为大部分展品仍然包含在一块大岩石中。
He said they have a hip bone, the skull and a number of vertebrae, which are back bones.
他说，他们有一块髋骨、头骨和一些脊椎，这些脊椎是背部骨骼。
The fossil was found in a piece of soft stone, called sandstone.
化石是在一种名为砂岩的软岩中发现的。
This leads the scientists to believe the dinosaur got stuck on a sandy area in the middle of a river.
这使得科学家们相信这只恐龙被困在了河中央的沙地上。
Lyson said scientists are interested in finding ways that younger T. rexes were different from older ones.
莱森说，科学家们对少年霸王龙与成年霸王龙的差别很感兴趣。
They were faster and had smaller heads.
它们跑得更快，头也更小。
Because of this, the scientists think the young dinosaurs had a different diet than the older ones.
正因为如此，科学家们认为少年的恐龙与成年的恐龙有着不同的饮食习惯。
There are very few young Tyrannosaurus fossils available.
年轻暴龙化石非常少。
A younger one is at the Burpee Museum in Rockford, Illinois.
伊利诺伊州罗克福德的Burpee博物馆里有一具更年轻的化石。
Lyson said the new discovery should help dinosaur researchers understand another theory.
莱森说，这一新发现应该有助于恐龙研究人员理解另一种理论。
A small number of scientists believe a dinosaur, called Nanotyrannus, was related to T.Rex and lived at the same time.
少数科学家认为，一种名为矮暴龙的恐龙与霸王龙生活在同一时期。
A movie about the discovery with scientists from the Denver Museum of Nature and Science is expected to be released on June 21.
一部与丹佛自然与科学博物馆的科学家合作拍摄的关于这一发现的电影预计将于6月21日上映。
I’m Dan Friedell.
我是丹·弗里德尔。
