Humans have 46 chromosomes, peas have 14, and crayfish have 200.
人类有46个染色体，豌豆有14个，而小龙虾有200个。
Humans have an obligation to try to save endangered animals, because it is our fault that they are going extinct.
人类有义务去拯救濒临灭绝的动物，因为它们的灭绝是我们的过错。
An obsession with time, saving, gaming, wasting, losing, and mastering it, seems to have been a part of humanity for as long as humans have existed.
人类对时间的执念——对其的节省、玩弄、浪费、丧失及掌控——似乎是人性的一部分，人类存在了多久，执念就存在了多久。
When you reflect on how far we humans have come from the prehistoric caves to mind-blowing technological advancements, you would feel the power of imagination.
当你回想起我们人类从史前的洞穴到令人叹为观止的科技进步，你会感受到想象力的威力。
Still, Krech attributes secondary if not primary responsibility for the extinctions to the Paleoindians, arguing that humans have produced local extinctions elsewhere.
克雷奇仍然认为古印度安人在灭绝上的责任即使不是主要的，也是次要的，他认为人类在其他地方造成了当地物种灭绝。
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。
Humans have always feared wolves.
人类一向害怕狼。
It's highly possible that humans have to move to Mars in the future.
人类很有可能在未来必须要搬到火星上去。
Today, by carefully choosing dog parents, humans have created many different kinds of dog.
通过精心挑选狗的父母，如今人类已经培育出许多不同品种的狗。
Humans have many organs, but you can enjoy lots of things because of your ears.
人类有很多器官，但因为你的耳朵，你可以享受很多东西。
It wrote that "robot" comes from the Greek word for "slave" and humans have nothing to fear from robots, which are only here to help humans.
它写道，“机器人”一词来自希腊语，意思是“奴隶”，人类对机器人没有什么可害怕的，它们只是来帮助人类的。
What does the author say we humans have been doing to chimps?
作者说我们人类对黑猩猩做了什么？
That is effectively what humans have been doing to our closest relatives -chimps .
实际上是人类一直也是这么对待近亲黑猩猩的。
Since the Stone Age, humans have been eliminating species and altering ecosystems with astounding speed.
自石器时代以来，人类一直在以惊人的速度消灭物种以及改变生态系统。
She suggests that humans have always tried to strengthen the pair bond to maximise reproductive success.
她指出，人类一直试图加强配偶之间的联系，最大限度地提高繁殖成功率。
Humans have been damaging the environment for centuries by overcutting trees and farming too intensively.
几个世纪以来，人类过度砍伐树木及过度集约耕作，一直在破坏环境。
Humans have an inherent need to resolve uncertainty, according to a recent study in psychological science.
《心理科学》一项最新研究表明，人类生来就有消除不确定性的需求。
One is to provide warmth, but as humans have worn clothes for many years, body hair has significantly reduced.
原因之一是为了保暖，但由于人类穿了很多年衣服，体毛明显减少了。
Massive rubbish dumps and sprawling landfills constitute one of the more uncomfortable impacts that humans have on wildlife.
巨大的垃圾堆和杂乱无章的垃圾填埋场，是人类对野生动物造成的最不适的影响之一。
An obsession with time, saving, gaming, wasting, losing and mastering it, seems to have been a part of humanity for as long as humans have existed.
人类对时间的执念——对其的节省、玩弄、浪费、丧失及掌控——似乎是人性的一部分，人类存在了多久，执念就存在了多久。
Another, advanced in the twentieth century, suggests that humans have a gift for fantasy, through which they seek to reshape reality into more satisfying forms than those encountered in daily life.
另一个在20世纪提出的观点认为，人类有幻想的天赋，通过幻想，他们试图把现实重塑成比日常生活中遇到的更令人满意的形式。
Like many sexually reproducing species, humans have special gonosomes.
像许多有性繁殖的物种一样，人类有特殊的性染色体。
Humans have this universal trait.
笑是人类普遍共有的特征。
We humans have 46 chromosomes - 23 pairs.
我们人类有46条染色体——23对。
Male humans have the same inclinations.
男性有相同的倾向。
Humans have faced environmental changes before.
人类以前一直都要面对环境变化。
Rats and humans have similar biochemical pathways.
老鼠和人类有类似的生化途径。
Humans have loved and respected cats for centuries.
人类对猫的喜爱和重视已经有几个世纪之久。
Humans have a natural aversion to those who are ill.
人类对于生病的人有一种天然的厌恶感。
Humans have a natural aversion to those who are ill.
人类对于生病的人有一种天然的厌恶感。
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