The only clear explanation is that humans caused the extinction of the various mammal species through excessive hunting.
唯一明确的解释是人类的过度捕猎导致了各种哺乳动物的灭绝。
The only clear land was land the Indians had cleared for their crops and gardens.
唯一一块空旷的土地就是印第安人清空种上作物和果园的地方。
The only clear advances have been the ritual punishments of Miro, who was stripped of her party membership, and of Mikhalkov.
唯一的实际进展是对米罗的仪式性惩罚，她被开除出党；米哈尔科夫也受到了类似的处罚。
The only clear sign that the town is actually in Africa is the throng of black workers who pick up the trash before it can hit the ground.
在非洲这个镇唯一清晰的标志镇是捡垃圾的黑人工作者聚集的地方。
Since English is the only clear international language today, parents feel that this is the best way to make sure their kids can become successful.
因为如今英文是唯一明确的国际语言，家长们觉得这是确保他们小孩可以成功的最佳方式。
They made it clear that they would only exercise passive resistance in the event of a military takeover.
他们声明假若发生军事接管，他们只采取非暴力抵抗行动。
Industry representatives made it clear that their commitment was only to maintain the extent of forests, not their biodiversity.
业界代表们申明他们只承诺维持森林的规模而不是其生物多样性。
Of the current squads out West, I see only the Hornets as clear candidates for slippage, while the Clippers and Warriors should be poised for big leaps.
现在西部的球队中，我只看了黄蜂队很清楚地可能退步，而快船队和勇士队应该准备好有巨大的飞跃了。
Sun clocks worked, of course, only on clear days; water clocks misbehaved when the temperature fell toward freezing, to say nothing of long-run drift as the result of sedimentation and clogging.
当然，太阳时钟只能在晴天工作；当温度下降到接近冰点时，水钟就会失灵，长期漂浮的东西因为下沉或堵塞而无法工作。
It should be made clear that not everyone has a device to record their sleep patterns; in some of these nations, it's likely that only the richest people do.
必须要说清楚的是，并不是人人都拥有一台记录他们睡眠模式的设备；在一些国家里，可能只有最富有的人才能拥有这样一台设备。
Only about one woman in a thousand carries her bag on the left, and I tended to steer clear of them.
一千个人中大概只有一个女人会把包背在左边，而我往往会避开她们。
It was only when the hull was hanging freely from the lifting frame, clear of the seabed and the suction effect of the surrounding mud, that the salvage operation progressed to the second stage.
只有当船体从升降架上自由悬挂，脱离海床和周围泥浆的吸力作用时，打捞工作才进入第二阶段。
I only heard about the delay yesterday because we kept the production line clear to handle these special sheets.
我昨天才听说延期，因为为了处理这批特殊板材我们一直保持生产线畅通。
I only have thirty minutes to clear customs in getting to the city center and it means I have to check in by five-thirty, which means leaving home at about four fifteen.
我只有30分钟的时间来办理去市中心的海关手续，这意味着我必须在5点30分办理登机手续，也就是说我必须在4点15分左右离开家。
The lactic acid is released into the seal's blood only after the seal surfaces, when the lungs, liver, and other organs quickly clear the acid from the seal's bloodstream.
只有在海豹浮出水面后，即当肺部、肝脏和其他器官迅速将乳酸从海豹血液中清除时，乳酸才会被释放到海豹的血液中。
In fact, the sky is so clear in Vicuna that it is possible to see many stars that can be seen only with advanced instruments in other parts of the world.
事实上，维库纳的天空如此晴朗，让人们在这里可以看到很多在世界上其他地方只有用先进设备才能看到的星星。
During the fast, they could not eat any food at all, and they could only drink water, tea and clear fruit juice.
在斋戒期间，他们不能吃任何食物，只能喝水、茶和无渣果汁。
I climbed to the top of a small rise and realised that the mist was little more than a few feet deep, and though it was only a short climb, I found myself completely above it and looking at a wonderfully clear view of Skiddaw with the sun setting in the west.
我爬到一个小山坡的顶部，发现薄雾只有几英尺深，虽然只是小段的攀登，但我发现自己完全位于雾气的上方，伴着夕阳西下，我看到了斯基多峰非常清晰的景色。
They only make the noise, described as a brief, clear metallic sound made up of a series of notes, when in distress.
这些蝌蚪仅仅在遇到危险时，才发出声音，一种短促的、清晰的、由一连串音符组成的尖锐声响。
But he conceded it should have been made clear that the figure referred only to Iraq's ability to deploy battlefield munitions.
但是，他的结论是，这些数据仅仅指的是是伊拉克有能力部署战场军火。
To be clear: the figures I'm using are only averages.
必须明确的是：我所使用的数字只是个平均数。
Of course, valuation is not the only factor that drives markets, as became clear during the dotcom bubble.
当然，估值并不是驱动股市的唯一因素，这在网络股泡沫是变得十分清楚。
But the telescopes only perform during clear conditions and are limited by weather and atmospheric interferences.
但是光学望远镜只能在清晰视觉条件下工作，所以受气候和大气干扰限制。
The only thing that is clear is that if your correspondent should be shown the door, there is a sweeping legal precedent in his favour.
这就难说得很了。唯一可以肯定的是，如果笔者因此被扫地出门，要诉诸法律的话，有个极为重要的判例会站在笔者这边。
Although the deal failed to garner wider international support, the message was clear: the United States is no longer the globe's only indispensable power-broker.
虽然这计划因没得到广泛的国际支持而失败，但传达出来的信息是明确的：美国已经不再是世界上唯一的、不可缺少的调停人。
Invariably, the subtleties, nuances, and scope of the problem at hand become clear only after the application has been written.
只有在编写应用程序之后，问题的性质、范围和微妙之处才会逐渐清晰起来。
Invariably, the subtleties, nuances, and scope of the problem at hand become clear only after the application has been written.
只有在编写应用程序之后，问题的性质、范围和微妙之处才会逐渐清晰起来。
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