an unexplained occurrence that baffled everyone.
一件让人人感到困惑的怪事。
cot death is still an unexplained phenomenon.
婴儿猝死仍是一种无法解释的现象。
His unexplained absences fed our suspicions.
他的无故缺席引起了我们对他的怀疑
The unexplained phenomenon left scientists puzzled.
这个未解之谜让科学家感到困惑。
She felt a sense of unease due to the unexplained noises in the house.
她因房子里的莫名其妙的声音而感到不安。
The detective was determined to solve the unexplained disappearance of the girl.
侦探决心解开女孩的莫名失踪之谜。
The unexplained power outage affected the entire neighborhood.
莫名其妙的停电影响了整个社区。
They were startled by the unexplained shadow that moved across the room.
他们被横穿房间的莫名其妙的影子吓了一跳。
The unexplained illness baffled doctors for weeks.
这种未解之症让医生们困惑了好几个星期。
The unexplained marks on the wall raised suspicions of foul play.
墙上的莫名其妙的痕迹引起了犯罪嫌疑。
An unexplained sense of dread washed over her as she entered the abandoned house.
当她走进这座废弃的房子时，一种莫名的恐惧感袭来。
The unexplained disappearance of the treasure sparked rumors of a curse.
宝藏的莫名失踪引发了有关诅咒的谣言。
The unexplained behavior of the animal suggested it was under distress.
动物的莫名行为暗示它可能处于困扰之中。
Such cases of unexplained hepatitis are not new.
这类原因不明的肝炎病例并不新鲜。
来源: The Economist - TechnologyWho for some unexplained reason, was nicknamed Goofy.
不知什么原因，他被昵称为谷飞。
来源: Universal Dialogue for Children's AnimationIt causes fever, weakness, vomiting and unexplained bleeding.
该病毒会引起发烧、虚弱、呕吐和原因不详的出血等症状。
来源: CNN Listening Compilation January 2019However, the attacks remain largely unexplained.
然而，这些袭击在很大程度上仍未得到解释。
来源: VOA Special January 2023 CollectionUh, it's still an unexplained death right now.
我们只是想要多了解一下薇姬。
来源: English little tyrantBut that unexplained little act of friendliness was all that I needed.
但我所需要的就是这种莫名其妙的小小的友好举动。
来源: 1000 episodes of English stories (continuously updated)All those mythical vanishings happened under unknown and unexplained circumstances.
发生的所有这些神秘消失事件都原因不明且无法解释。
来源: Smart Life EncyclopediaThe same unexplained ailment affected a number of Americans in Cuba last year.
去年在古巴也出现了类似疾病，但原因无法解释。
来源: PBS English NewsThe suspension came after a patient in the study had " unexplained illness" .
研究中，一名患者出现" 无法解释的疾病" ，试验因此叫停。
来源: VOA Special English HealthThey had 28 samples from children in the Netherlands with unexplained respiratory infections.
他们从荷兰患有不明原因呼吸道感染的儿童身上采集了28个样本。
来源: CNN Reading Selectionan unexplained occurrence that baffled everyone.
一件让人人感到困惑的怪事。
cot death is still an unexplained phenomenon.
婴儿猝死仍是一种无法解释的现象。
His unexplained absences fed our suspicions.
他的无故缺席引起了我们对他的怀疑
The unexplained phenomenon left scientists puzzled.
这个未解之谜让科学家感到困惑。
She felt a sense of unease due to the unexplained noises in the house.
她因房子里的莫名其妙的声音而感到不安。
The detective was determined to solve the unexplained disappearance of the girl.
侦探决心解开女孩的莫名失踪之谜。
The unexplained power outage affected the entire neighborhood.
莫名其妙的停电影响了整个社区。
They were startled by the unexplained shadow that moved across the room.
他们被横穿房间的莫名其妙的影子吓了一跳。
The unexplained illness baffled doctors for weeks.
这种未解之症让医生们困惑了好几个星期。
The unexplained marks on the wall raised suspicions of foul play.
墙上的莫名其妙的痕迹引起了犯罪嫌疑。
An unexplained sense of dread washed over her as she entered the abandoned house.
当她走进这座废弃的房子时，一种莫名的恐惧感袭来。
The unexplained disappearance of the treasure sparked rumors of a curse.
宝藏的莫名失踪引发了有关诅咒的谣言。
The unexplained behavior of the animal suggested it was under distress.
动物的莫名行为暗示它可能处于困扰之中。
Such cases of unexplained hepatitis are not new.
这类原因不明的肝炎病例并不新鲜。
来源: The Economist - TechnologyWho for some unexplained reason, was nicknamed Goofy.
不知什么原因，他被昵称为谷飞。
来源: Universal Dialogue for Children's AnimationIt causes fever, weakness, vomiting and unexplained bleeding.
该病毒会引起发烧、虚弱、呕吐和原因不详的出血等症状。
来源: CNN Listening Compilation January 2019However, the attacks remain largely unexplained.
然而，这些袭击在很大程度上仍未得到解释。
来源: VOA Special January 2023 CollectionUh, it's still an unexplained death right now.
我们只是想要多了解一下薇姬。
来源: English little tyrantBut that unexplained little act of friendliness was all that I needed.
但我所需要的就是这种莫名其妙的小小的友好举动。
来源: 1000 episodes of English stories (continuously updated)All those mythical vanishings happened under unknown and unexplained circumstances.
发生的所有这些神秘消失事件都原因不明且无法解释。
来源: Smart Life EncyclopediaThe same unexplained ailment affected a number of Americans in Cuba last year.
去年在古巴也出现了类似疾病，但原因无法解释。
来源: PBS English NewsThe suspension came after a patient in the study had " unexplained illness" .
研究中，一名患者出现" 无法解释的疾病" ，试验因此叫停。
来源: VOA Special English HealthThey had 28 samples from children in the Netherlands with unexplained respiratory infections.
他们从荷兰患有不明原因呼吸道感染的儿童身上采集了28个样本。
来源: CNN Reading Selection探索常用高频词汇