an unexplained occurrence that baffled everyone.
一件讓人人感到困惑的怪事。
cot death is still an unexplained phenomenon.
嬰兒猝死仍是一種無法解釋的現象。
His unexplained absences fed our suspicions.
他的無故缺席引起了我們對他的懷疑
The unexplained phenomenon left scientists puzzled.
這個未解之謎讓科學家感到困惑。
She felt a sense of unease due to the unexplained noises in the house.
她因房子裏的莫名其妙的聲音而感到不安。
The detective was determined to solve the unexplained disappearance of the girl.
偵探決心解開女孩的莫名失蹤之謎。
The unexplained power outage affected the entire neighborhood.
莫名其妙的停電影響了整個社區。
They were startled by the unexplained shadow that moved across the room.
他們被橫穿房間的莫名其妙的影子嚇了一跳。
The unexplained illness baffled doctors for weeks.
這種未解之症讓醫生們困惑了好幾個星期。
The unexplained marks on the wall raised suspicions of foul play.
牆上的莫名其妙的痕跡引起了犯罪嫌疑。
An unexplained sense of dread washed over her as she entered the abandoned house.
當她走進這座廢棄的房子時，一種莫名的恐懼感襲來。
The unexplained disappearance of the treasure sparked rumors of a curse.
寶藏的莫名失蹤引發了有關詛咒的謠言。
The unexplained behavior of the animal suggested it was under distress.
動物的莫名行爲暗示它可能處於困擾之中。
Such cases of unexplained hepatitis are not new.
這類原因不明的肝炎病例並不新鮮。
來源: The Economist - TechnologyWho for some unexplained reason, was nicknamed Goofy.
不知什麼原因，他被暱稱爲谷飛。
來源: Universal Dialogue for Children's AnimationIt causes fever, weakness, vomiting and unexplained bleeding.
該病毒會引起發燒、虛弱、嘔吐和原因不詳的出血等症狀。
來源: CNN Listening Compilation January 2019However, the attacks remain largely unexplained.
然而，這些襲擊在很大程度上仍未得到解釋。
來源: VOA Special January 2023 CollectionUh, it's still an unexplained death right now.
我們只是想要多瞭解一下薇姬。
來源: English little tyrantBut that unexplained little act of friendliness was all that I needed.
但我所需要的就是這種莫名其妙的小小的友好舉動。
來源: 1000 episodes of English stories (continuously updated)All those mythical vanishings happened under unknown and unexplained circumstances.
發生的所有這些神祕消失事件都原因不明且無法解釋。
來源: Smart Life EncyclopediaThe same unexplained ailment affected a number of Americans in Cuba last year.
去年在古巴也出現了類似疾病，但原因無法解釋。
來源: PBS English NewsThe suspension came after a patient in the study had " unexplained illness" .
研究中，一名患者出現" 無法解釋的疾病" ，試驗因此叫停。
來源: VOA Special English HealthThey had 28 samples from children in the Netherlands with unexplained respiratory infections.
他們從荷蘭患有不明原因呼吸道感染的兒童身上採集了28個樣本。
來源: CNN Reading Selectionan unexplained occurrence that baffled everyone.
一件讓人人感到困惑的怪事。
cot death is still an unexplained phenomenon.
嬰兒猝死仍是一種無法解釋的現象。
His unexplained absences fed our suspicions.
他的無故缺席引起了我們對他的懷疑
The unexplained phenomenon left scientists puzzled.
這個未解之謎讓科學家感到困惑。
She felt a sense of unease due to the unexplained noises in the house.
她因房子裏的莫名其妙的聲音而感到不安。
The detective was determined to solve the unexplained disappearance of the girl.
偵探決心解開女孩的莫名失蹤之謎。
The unexplained power outage affected the entire neighborhood.
莫名其妙的停電影響了整個社區。
They were startled by the unexplained shadow that moved across the room.
他們被橫穿房間的莫名其妙的影子嚇了一跳。
The unexplained illness baffled doctors for weeks.
這種未解之症讓醫生們困惑了好幾個星期。
The unexplained marks on the wall raised suspicions of foul play.
牆上的莫名其妙的痕跡引起了犯罪嫌疑。
An unexplained sense of dread washed over her as she entered the abandoned house.
當她走進這座廢棄的房子時，一種莫名的恐懼感襲來。
The unexplained disappearance of the treasure sparked rumors of a curse.
寶藏的莫名失蹤引發了有關詛咒的謠言。
The unexplained behavior of the animal suggested it was under distress.
動物的莫名行爲暗示它可能處於困擾之中。
Such cases of unexplained hepatitis are not new.
這類原因不明的肝炎病例並不新鮮。
來源: The Economist - TechnologyWho for some unexplained reason, was nicknamed Goofy.
不知什麼原因，他被暱稱爲谷飛。
來源: Universal Dialogue for Children's AnimationIt causes fever, weakness, vomiting and unexplained bleeding.
該病毒會引起發燒、虛弱、嘔吐和原因不詳的出血等症狀。
來源: CNN Listening Compilation January 2019However, the attacks remain largely unexplained.
然而，這些襲擊在很大程度上仍未得到解釋。
來源: VOA Special January 2023 CollectionUh, it's still an unexplained death right now.
我們只是想要多瞭解一下薇姬。
來源: English little tyrantBut that unexplained little act of friendliness was all that I needed.
但我所需要的就是這種莫名其妙的小小的友好舉動。
來源: 1000 episodes of English stories (continuously updated)All those mythical vanishings happened under unknown and unexplained circumstances.
發生的所有這些神祕消失事件都原因不明且無法解釋。
來源: Smart Life EncyclopediaThe same unexplained ailment affected a number of Americans in Cuba last year.
去年在古巴也出現了類似疾病，但原因無法解釋。
來源: PBS English NewsThe suspension came after a patient in the study had " unexplained illness" .
研究中，一名患者出現" 無法解釋的疾病" ，試驗因此叫停。
來源: VOA Special English HealthThey had 28 samples from children in the Netherlands with unexplained respiratory infections.
他們從荷蘭患有不明原因呼吸道感染的兒童身上採集了28個樣本。
來源: CNN Reading Selection探索常見搜尋詞彙