I am, in part, an ant biologist, so my thoughts turned to what we know about insect life and I knew that much in the world of insects remains unknown.
从某种程度上来说，我是一名蚂蚁生物学家，所以我开始思考我们对昆虫的生命有什么了解，并且我知道昆虫世界对于人类而言仍有许多未知的领域。
Though the precise harm to our bodies remains unknown, concerns include the microplastics themselves, as well as the fact that they absorb a range of harmful bacteria.
虽然微塑料具体会对我们身体造成怎样的伤害尚不明确，但微塑料本身和他们吸收了大量的有害细菌这一事实让我们忧心忡忡。
How the body regulates the turnover of fat cells remains unknown.
人体如何调节脂肪细胞的周转现在还不清楚。
Concludes Bauer sadly, "the fate of the royal Inca mummies remains unknown."
鲍尔悲伤的感叹到，“印加皇族木乃伊的命运依然是个谜。”
How parental age increases autism risks remains unknown, but several hypotheses exist.
父母年龄是如何加大孤独症风险的仍是未知数，但存在一些假设。
How stored fats are liberated and remodeled to support cancer pathogenesis, however, remains unknown.
但是储存脂肪如何释放和改变以支持癌症的发生仍然不明。
Police have not determined a cause of death, and much remains unknown about the circumstances of her demise.
警方暂未确认死因，因此关于她的死因还是个未知数。
Anything from cosmic rays to radiation to diet may activate a dormant oncogene, but how remains unknown.
从宇宙射线、辐射到日常饮食，任何东西都可能激活一个处于静止状态下的致癌基因，但如何激活尚不为人知。
What remains unknown, says Tapert, is if the cognitive downward slide in teenage binge drinkers is reversible.
目前尚不清楚的是，泰普特说，酗酒青少年的认知能力下降这壹症状是否有恢复的可能。
And if that growing blackness represents knowledge, then as it grows, so does the awareness of what remains unknown.
如果那个正在增大的黑色部分代表你的知识的话，在知识增长的同时，你会意识到自己有许多不知道的东西。
"These prior studies have yielded mixed results, and it remains unknown if better sleep means a healthier heart," he said.
“这些之前的研究都取得了好坏参半的结果，但是否说好睡眠的人就意味着有颗好心脏，这仍然是未知的。”他说道。
Still, the much greater challenge with simulating the human brain lies in how much remains unknown about how it works.
同样，模拟人脑的更大的挑战在于仍旧有多少未知的关于大脑如何运作。
Its true etiology remains unknown, but there appears to be a strong genetic as well as an environmental contribution.
真正的病因尚不清楚，但很可能和遗传及环境因素有关。
He also argued that much remains unknown about the interaction between Arctic sea ice, sea level, and temperature rise.
他还认为，有关北极海冰、海平面图和气温上升之间的相互作用还存在许多未知数。
The prevalence of childhood asthma is increasing worldwide and the natural history of childhood asthma remains unknown.
儿童哮喘发病率在世界范围内有不断升高的趋势，但相关病因仍然不清楚。
The etiology of preeclampsia remains unknown. The role of thrombophilia in pathogenesis of preeclampsia is controversial.
子痫前期的发病原因不明，关于血栓形成倾向在子痫前期的发病机制中所起的作用是有争议的。
His best bet for a drug lead is an extract of garlic, although the active component that interferes with the signal remains unknown.
他预期最好的药物是一种大蒜提取物，尽管其用于信号干预的主要成分仍然不为所知。
Dozens of incidents have been recorded in which lithium batteries ignited in flight, but it remains unknown what caused the fires.
有记录的锂电池在飞机中燃烧的事故已经有很多了，但目前还不清楚是什么引起的火灾。
How Hoag's object formed remains unknown, although similar objects have been identified and collectively labeled as a form of ring galaxy.
我们还不知道霍格发现的这个东西是如何形成的。以往有相似的星系被鉴定出来，并都被归类为环形星系的一种类型。
Mystery has surrounded the identities of Tutankhamun's own parents: while his father was the Pharaoh Akhenaton, his mother remains unknown.
图坦卡蒙亲生父母的身份仍是个谜团。尽管人们确定他的父亲是阿肯纳顿法老，但是对其母亲仍然一窍不通。
Most of the country "s boundaries with the United Arab Emirates, Oman, and Yemen are undefined, so the exact size of the country remains unknown."
国家大部分同阿联酋，阿曼，和也门的边界尚未确定，因此国家确切的大小仍然未知。
Problem: Part of a process has to be executed multiple times in parallel, the number of which remains unknown until the process actually runs.
问题：流程的一部分需要以并行方式多次执行，而其数量在流程实际运行之前未知。
The part of the world we know is just as limited as the area an electric torch covers in the dark, while the rest part of the whole world remains unknown.
我们已知的世界就像黑夜中手电筒照亮的空间一样有限，未知部分是除了手电筒照亮空间之外的整个世界。
Science currently recognizes around 1.8 million species on Earth (out of an estimated five million to 30 million total species—the true total remains unknown).
目前科学界已经知道的全球物种大约有180万个（而根据推测，全球总共有500万到3000万个物种——实际上，地球到底有多少物种还不确定）。
Science currently recognizes around 1.8 million species on Earth (out of an estimated five million to 30 million total species—the true total remains unknown).
目前科学界已经知道的全球物种大约有180万个（而根据推测，全球总共有500万到3000万个物种——实际上，地球到底有多少物种还不确定）。
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