 More than 30 years later, its origin remains a mystery.
More than 30 years later, its origin remains a mystery. How they arise is still a mystery.
How they arise is still a mystery. The baby's father, to this day, remains a mystery.
The baby's father, to this day, remains a mystery.Combinations with other parts of speech
 The cause of autism is still a mystery.
The cause of autism is still a mystery. How Paul came to Diana is still a mystery.
How Paul came to Diana is still a mystery. How she realized the truth was still a mystery.
How she realized the truth was still a mystery. Is it still a mystery so far?
Is it still a mystery so far?希利尔湖的泡泡糖粉色仍是一个谜,但不像世界上其他粉红色的湖泊,颜色依然常年不变。  The bubblegum pink color of Lake Hillier remains a mystery, but unlike other pink lakes around the world, the colors remains year round.
The bubblegum pink color of Lake Hillier remains a mystery, but unlike other pink lakes around the world, the colors remains year round.然而,传感器功能与蛋白质含量之间的相关性仍是一个谜。  The correlation between the functioning of a sensor and the amount of proteins remains a mystery, however.
The correlation between the functioning of a sensor and the amount of proteins remains a mystery, however.它仍是一个谜,为什么西班牙从来没有发现这个藏宝石的安第斯山脉。  It is still a mystery as to why the Spanish never found this hidden jewel of the Andes.
It is still a mystery as to why the Spanish never found this hidden jewel of the Andes.然而,除了这些以外,天文学家对伽马射线暴的了解并不是很多,其成因仍是一个谜。  However, besides these, astronomers don't know much about gamma-ray bursts,and the cause is still a mystery.
However, besides these, astronomers don't know much about gamma-ray bursts,and the cause is still a mystery.破坏与重建无数次超过5000年,耶路撒冷持久吸引力仍是一个谜。  Destroyed and rebuilt throughout 5,000 years,Jerusalem's enduring appeal remains a mystery.
Destroyed and rebuilt throughout 5,000 years,Jerusalem's enduring appeal remains a mystery.但造成如此大规模减少蜜蜂数量的具体原因却仍是一个谜,DeSouza和他的团队正是需要破解这个谜团。  Still, the specific causes to such massive decline remain a mystery, one that de Souza and his team are eager to solve.
Still, the specific causes to such massive decline remain a mystery, one that de Souza and his team are eager to solve. Potential solutions remain a mystery, but the authorities will have to confront the question sooner or later.
Potential solutions remain a mystery, but the authorities will have to confront the question sooner or later. But now, over 30 years later, the fire is still a mystery.
But now, over 30 years later, the fire is still a mystery.他们的关系在华盛顿的后半生是疏远的,在其童年和青春期则仍是一个谜。  Their relationship, estranged in those later years, remains a mystery during his childhood and adolescence.
Their relationship, estranged in those later years, remains a mystery during his childhood and adolescence.不过,为何现代人和这些冰川时代表亲的脑袋看上去如此不同仍是一个谜。  But why our heads andthose of our ice age cousins looked different remained a mystery.
But why our heads andthose of our ice age cousins looked different remained a mystery.Wendtii身上覆盖着数千个感光细胞,但它们控制的具体行为仍是一个谜。  Wendtii was covered in thousands of light-sensitive cells,but the exact behaviours they control remained a mystery.
Wendtii was covered in thousands of light-sensitive cells,but the exact behaviours they control remained a mystery.阿德已经消失了,发生了什么事在大西洋中部仍是一个谜。  What happened to Mar Ahatallah in the midst of Arabian Sea is still a mystery.
What happened to Mar Ahatallah in the midst of Arabian Sea is still a mystery.我爸爸和我说,尽管我拥有物理学博士学位,但女人仍是一个谜。  My PA reminds me that although I have a PhD in physics,women should remain a mystery.”.
My PA reminds me that although I have a PhD in physics,women should remain a mystery.”.阿德已经消失了,发生了什么事在大西洋中部仍是一个谜。  Ader had disappeared, and what happened in the middle of the Atlantic remains a mystery.
Ader had disappeared, and what happened in the middle of the Atlantic remains a mystery.为成千上万的个人目前正在遭受来自慢性疲劳综合征(CFS)的人,这种神秘疾病的原因仍是一个谜。  For the thousands of individuals who currently suffer from Chronic Fatigue Syndrome(CFS),the causes of this mysterious illness remain a mystery.
For the thousands of individuals who currently suffer from Chronic Fatigue Syndrome(CFS),the causes of this mysterious illness remain a mystery.Void已采取杂波游戏到了全新的高度,但他或她的身份仍是一个谜。  The Void has taken the Clutter game to whole new heights,but his or her identity remains a mystery.
The Void has taken the Clutter game to whole new heights,but his or her identity remains a mystery.历史的原产地名称"Devyatkino"仍是一个谜。  The history of the origin of the name"Devyatkino" is still a mystery.
The history of the origin of the name"Devyatkino" is still a mystery.Wendtii身上覆盖着数千个感光细胞,但它们控制的具体行为仍是一个谜。  Wendtii was covered in thousands of light-sensitive cells,but the exact behaviors these cells control remained a mystery.
Wendtii was covered in thousands of light-sensitive cells,but the exact behaviors these cells control remained a mystery.