onset
英 [ˈɒnset]
美 [ˈɑːnset]
n. 开端，发生，肇始(尤指不快的事件)
Collins.1 / BNC.6461 / COCA.7094
牛津词典
noun
- 开端，发生，肇始（尤指不快的事件）
the beginning of sth, especially sth unpleasant- the onset of disease/old age/winter
疾病的发作；老年的开始；冬天的来临
- the onset of disease/old age/winter
柯林斯词典
- N-SING （尤指不快之事的）开始，开端，肇始
The onset ofsomething is the beginning of it, used especially to refer to something unpleasant.- Most of the passes have been closed with the onset of winter...
冬天来临，大部分关口均已关闭。 - With the onset of war, oil prices climbed past $30 a barrel.
战争一爆发，油价就攀过了每桶30美元。
- Most of the passes have been closed with the onset of winter...
英英释义
noun
- (military) an offensive against an enemy (using weapons)
- the attack began at dawn
- the beginning or early stages
- the onset of pneumonia
双语例句
- There are multiple factors that might influence the onset and severity of pulmonary hypertension in IPF.
有很多因素可影响IPF过程中肺动脉高压的出现和严重度。 - The patient may or may not notice these symptoms during the onset of the vertigo.
眩晕发作时，病人可能感觉到、也可能感觉不到耳鸣和听力下降。 - Neighbours near his home reported poultry deaths prior to his onset of symptoms.
在他的症状出现之前，他家附近的邻居报告了禽类死亡。 - Conclusion The onset of BPPV may relate to ischemic internal ear but is not relevant with gender and age.
结论内耳缺血可能与BPPV发病有关，但BPPV发病在不同性别、年龄之间差异无显著性。 - In the traditional societies of Africa, the onset of puberty marked the change from child to adult.
在非洲的传统社会中，青春期一开始就标志着从孩子变成成年人了。 - He went to see a doctor at the onset of a fever.
他开始发烧时便去看医生了。 - Bleeding and diarrhea signal the onset of symptoms.
出血和腹泻意味着症状的发作。 - Objective to explore the relationship between time of AF onset and clinical prognosis in acute period of ami.
目的探讨急性心肌梗塞（ami）急性期间，房颤（af）发作时间与临床预后之间的关系。 - The sudden onset of winter caused havoc with rail and air transport
冬天的突然降临让铁路和航空运输系统陷入混乱。 - Vomiting is normal at the onset of labor, but persistent vomiting may be a sign of illness.
呕吐在分娩过程中是正常现象，不过持续性的呕吐有可能会是疾病的表征。