Most people with only one copy of the gene—"carriers"—survive and pass the gene to offspring.
大多数只有一个基因拷贝的人——“携带者”——能够存活下来并将基因传给后代。
The Chukchi are used to sleep for only 4-5 hours. To survive in the peninsula one has to work nonstop.
楚科奇人习惯只睡四五个小时，为了生存他们必须不停地工作，对此他们已经习以为常了，所以几天几夜不睡觉也没问题。
I am not one of those lunkheads who interpret evolution as meaning only the fittest survive and their survival proves that they deserved to outlast other species.
我不像那些笨蛋一样，将进化论仅仅解释为优胜劣汰和某一物种存活了下来证明了它们应当比其他物种活的时间长。
And if one "manages to do it twice", does it mean the dormice choose to cross the road only once, or does it actually mean that none of them survive a second attempt at crossing the road?
如果说“有一只甚至成功穿越了两次”，那这句话是说榛睡鼠们只选择过马路一次，还是实际上除那只成功者以外，所有榛睡鼠都没能在第二次尝试中生还？
The doctor also testified that he owns one of only three clinics in the US that perform late-term abortions, which are performed on foetuses that could survive outside the mother's womb.
这名医生还作证说，他的诊所，是美国仅有的三家实施晚期堕胎手术的诊所之一。 晚期堕胎是指对于已经能够在母体外存活的胎儿实施的流产。
We have only one earth and the earth we live to the conditions, we could only survive on Earth.
我们只有一个地球，地球给了我们生存的条件，我们也只能在地球上生存。
If we want our species to survive, if we are to find meaning in life, if we want to save the world and every sentient being that inhabits it, love is the one and only answer.
如果我们想要自己的物种得以存活，如果我们发现了生命的意义，如果我们想解救这个世界和每个栖身在世界上的生灵，爱是独一的谜底。
Of all the planets in our solar system, we are now pretty certain the Earth is the only one on which life can survive.
我们目前可以肯定的是，在我们太阳系的所有行星中，地球是生命能存在的唯一行星。
Another one must survive with his son for three days in the desert, where, because neither can cook, the two only eat instant noodles.
还有一对父子必须在沙漠生活三天，因为都不太会做饭，父子俩只能吃泡面。
Nestled at center, another egg should hatch in two days-though usually only one chick will survive the season.
位于中心位置的巢里，超不过两天时间，另一小鹤可能就会破壳而出——仅管通常在这个季节最多只有一个幼雏会幸存下来。
There were two large and at least two smaller female figures per gateway, but few survive, with only one or two still in situ.
有两个大的和至少两个规模较小的女性形象%网关，但是很少生存，只有一个或两个，仍然在原地。
One way to do this is to create a 'survival-of the-fittest" situation in which only the strongest and smartest will survive."
最好的方法是创造一个“适者生存”的环境，只有那些最强壮的人才能存活下来。
Only 20% of people are alive one year after being diagnosed with the disease, and only 8% survive for five years.
只有20 %的人活着的一年后，被诊断出这种疾病，只有8 %的存活五年。
Of all the planets in our own solar system. we are now pretty certain the Earth is the only one on which life can survive.
在我们自己的太阳系的所有行星中。我们现在相当肯定仅仅地球是有生命存在的那个。
No relationship can survive without balance. If you're the only one holding it up eventually everything will fall down. It takes two.
缺少平衡，没有感情能持续。如果只有你独自支撑，那一切终将跨掉，因为感情需要的是两个人共同努力。
Only one character... can continue to survive mankind, and that is courage, the world's hopes are pinned on the 14 Warriors possession.
只有一种情操…能让人类继续生存下去，那就是勇气，全世界的希望都寄托在十四名勇士身上。
Of all the planets in our own solar system, we are now pretty certain the Earth is the only one on which life can survive.
在太阳系的所有星球中，我们现在能肯定的是地球是我们唯一的生存家园。
Of all the planets in our solar system, we ware now pretty certain the Earth is the only one on which life can survive.
我们目前可以肯定的是，在我们太阳系的所有行星中，地球是生命能存在的唯一行星。
As they scramble to escape their fate, they discover that the killer is among them and shares their ability to see the future - only he seems to be one step ahead of their efforts to survive.
当他们争相逃避自己的命运，他们发现凶手是其中并分享他们看到未来的能力-只有他似乎领先于他们的努力生存的一步。
Whether it is only protecting environment well, the we one animal could very fine growth, survive.
只有保护好了环境，我们的动物才能很好的生长，生存。
We are not the only species as over one half of all land or aquatic animals attack another species consuming flesh to survive.
除了我们之外，陆生和水生一半的动物都袭击其他物种消耗肉来生存。
The stage is set for a gruesome battle between the two nemeses, but only one can survive.
最后的决死战，只有一个能生存下去。
One doctor tells me that only an operation can survive my life, while another says that my heart will never stand the chloroform, so I am between Scylla and Charybdis , and don;
一位医生对我说，只有动一次手术才能挽救我的生命，而另一位医生却说，我的心脏受不了麻醉剂。
One doctor tells me that only an operation can survive my life, while another says that my heart will never stand the chloroform, so I am between Scylla and Charybdis , and don;
一位医生对我说，只有动一次手术才能挽救我的生命，而另一位医生却说，我的心脏受不了麻醉剂。
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