The tail of humans has gone. It's the result of evolution for millions of years. Will humans be much taller, stronger or smarter in the future?
人类的尾巴已经消失了，这是数百万年进化的结果。未来，人类会变得更高、更强、更聪明吗？
The fossil record shows that many species have endured for millions of years—so why shouldn't we?
化石记录显示，已经有许多物种存活了数百万年——那么我们为什么不能呢？
They had been on our planets for millions of years, but 2018 was the year several species officially died off forever.
这几个物种已经在我们的地球上存在了数百万年，但是官方称2018年它们已经陆续灭亡。
Horses evolved in discrete steps, each of which persisted almost unchanged for millions of years and was eventually replaced by a distinctive newer model.
马是分阶段进化的，每一阶段都几乎保持了数百万年的不变，而最终被一种独特的新型马所取代。
Many species appear to remain unchanged in the fossil record for millions of years—a situation that seems to be at odds with Darwin's model of continuous change.
许多物种似乎在数百万年的化石记录中都保持不变——而这种情况似乎与达尔文的持续变化模型不一致。
Moreover, even though humans have been upright for millions of years, our feet and back continue to struggle with bipedal posture and cannot easily withstand repeated strain imposed by oversize limbs.
此外，尽管人类直立行走已经有数百万年的历史，我们的脚和背部仍在两足行走的姿势中艰难斗争，无法轻易承受过长的四肢持续施加的压力。
People have kept dogs for millions of years.
人们养狗已有数百万年了。
Cockroaches have lived for millions of years.
蟑螂已经存在了数百万年了。
Fossil Predator Ruled Seas for Millions of years.
霸王化石曾经统治海洋数百万年。
A process that's been going on for millions of years.
这一过程持续了数百万年。
People have lived on the Earth for millions of years.
人们已经在地球上生活数百万年。
For millions of years it drifted aimlessly with the currents.
数百万年来，它遂洋流勇动，漫无目的地漂荡。
Ants have been converting plant biomass into energy for millions of years.
蚂蚁已经有着数百年的将植物转化为能量的历史了。
It is a symbiotic relationship that has worked well for millions of years.
这个互利共生的关系已经持续了千百万年。
She discovered how clay beds, which existed for millions of years, were formed.
她还发现了已经存在了数百万年的粘土层是如何形成的。
She discovered how clay beds, which existed for millions of years, were formed.
她还发现了已经存在了数百年的粘土层是如何形成的。
These animals have been evolving in the Philippine archipelago for millions of years.
这些动物已经在菲律宾群岛上演变进化了百万年了。
In the cold, dark waters of the Arctic, life abounds as it has for millions of years.
在北极圈寒冷黑暗的水域中，生命像百万年来那样一直繁盛。
Although little has changed here for millions of years, no one has ever seen this view before.
尽管千万年来这里的面貌并没有太多改变，但是没有一个人曾有幸欣赏此处的景色。
"This is an early dinosaur blueprint," says Sereno, " with features they'll have for millions of years.
塞利诺说：“这是早期恐龙的蓝本，具有它们将保持几百万年的特征。
"This is an early dinosaur blueprint," says Sereno, "with features they'll have for millions of years."
塞利诺说：“这是早期恐龙的蓝本，具有它们将保持几百万年的特征。”
We've been making and sharing things for millions of years - it's encoded in our genetic desire to create.
人类制造并且分享东西的历史已经延续了几百万年——我们生来具有渴望创造的基因。
When bacteria eat up oil—which they have been doing at the Gulf’s oily seeps for millions of years—they use up oxygen, too.
过去几百万年间，在墨西哥湾的油污区一直有种以吸收海中渗出的石油为生的细菌。它们吃石油时会将氧气用尽。
Water vapour in the atmosphere produces the strongest greenhouse effect, but it has been in balance for millions of years.
大气层里水蒸汽产生的温室效应最强烈，但千百万年来一直保持着平衡。
When bacteria eat up oil-which they have been doing at the Gulf's oily seeps for millions of years-they use up oxygen, too.
过去几百万年间，在墨西哥湾的油污区一直有种以吸收海中渗出的石油为生的细菌。它们吃石油时会将氧气用尽。
Scientists believe that these geological formations are capable of storing virtually all the CO2 injected into them for millions of years.
科学家认为这些地质层对注入其内部的几乎所有二氧化碳都能储存数百万年之久。
When taking into account our ancient ancestors, "humans have engaged in endurance running for millions of years," the researchers wrote in their study.
当把我们远古的祖先考虑在内的时候，“人类的耐久性跑步已经有上百万年的历史了”，研究着在他们的报告中写到。
When taking into account our ancient ancestors, "humans have engaged in endurance running for millions of years," the researchers wrote in their study.
当把我们远古的祖先考虑在内的时候，“人类的耐久性跑步已经有上百万年的历史了”，研究着在他们的报告中写到。
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