And the exact contributions of man and nature to the changes taking place are surely unknown, even if it is accepted that man is making natural cycles more pronounced.
自然和人类对变化的确切影响，无疑是未知的，即使在公认人类对自然界循环的影响更加显著的情况下。
But who's to say the trees they chew don't contain some unknown bacterium that stops sheep becoming man-eaters?
但谁又敢说它们咀嚼的树木中也会含有那种防止羊吃人的未知细菌呢？
At Siemens, the 163-year-old industrial symbol of GermanyInc., it was long unknown for a man to take time off for children.
在有163年历史的德国工业象征——西门子公司，很长时间里没有听说有哪位男性为照看孩子而请假。
The jawbone from which he had the crucial DNA extracted is now back with the rest of the Unknown Sailor’s remains, and there are provisional plans to bury the man in Geraldton.
提取出原始DNA的颌骨如今已经回到无名水兵的遗骨里，同时，有各种暂时性的计划打算把这个人埋在杰拉尔顿。
The next step will be to deploy such man-machine collaboration to discover the structures of proteins whose shape is unknown.
下一步就是调动人机合作去探索那些未知的蛋白质结构形状。
A man of the world must always remain childlike curiosity, and make all efforts to explore the unknown fields, he would always feel the fullness of life and joy.
一个人对世界要永远保持孩童般的好奇心，并尽一切努力去探知未知的领域，那他就会永远感到人生的充实与欣喜。
From the brick body, I know a man unknown to serve the public, so as to be accepted by society.
从砖的身上，我懂得了人默默无闻地为大众服务，这样才能得到社会的认可。
To the croppy it means the opposite: a "genuine" circle is of unknown provenance, or not man-made-a mystery, in other words.
但是对庄稼人来说，这个词有着相反的含义：一个“真正的”麦田圈是无法证实的或者不是人造的，即是个谜。
But when she sails to the exotic and unknown regions of the South Pacific, a rugged man brave enough to be her guide just may be the one who can lay claim to her heart.
但是当她帆的南太平洋，一个坚固的人勇敢地将她引导外来和未知的区域可能只是一个谁可以宣称她的心。
A resident stands next to bloodstains of a man who was gunned down by unknown assailants in the border city of Ciudad Juarez, March 3, 2009.
一个居民站在旁边的一所被枪杀谁在华雷斯城，2009年3月3日的边境城市身份不明的袭击者下来的人有血迹。
In fact, entirely unknown to the girl it now transpires that the man involved, who looked like Tom Cleverley, was impersonating him.
而事实是，该女性现在已毫无音讯，而当事人是假扮称克莱维利的。
When an unknown man plummets to his death, the investigation brings Detective Constable Endeavour Morse back into action.
当一个陌生男子坠落到他的死亡，调查了侦缉奋进莫尔斯付诸行动。
He is a man of strong will and courage. daring to challenge the unknown.
他是一个非常坚强。勇敢。敢于向未知挑战的人。
A second video, detailing a visit to the doctors shortly after the incident, shows a man spraying an unknown liquid on her exposed scalp before gently dabbing it with a tissue.
第二支视频里是这场事故不久后对医生的采访。视频里，一名男子在她暴露的头皮上喷了不知名的液体，然后用一块手帕轻轻地擦拭它。
As we are advancing towards the future, it is our responsibility to venture into the unknown and generate new understanding of man and nature.
我们正向着未来大步迈进，探索未知世界、发掘对人与自然的新认识是我们的责任。
A place of worship represents the homage paid by man to the UNKNOWN.
拜神场所象征着人们对未知者的崇敬。
On the contrary, a man with a dream is like a warrior armed with ambition, foresight and gallantry, daring to step into an unknown domain to make a journey of adventure.
相反，一个拥有梦想的人，就像是有着抱负，远见，勇气武装的勇士，他勇于踏上未知的土地去冒险。
On the contrary, a man with a dream is like a warrior armed with ambition, foresight and gallantry, daring to step into an unknown domain to make a journey of adventure.
相反，一个拥有梦想的人，就像是有着抱负，远见，勇气武装的勇士，他勇于踏上未知的土地去冒险。
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