onset

noun

1. 开端，发生，肇始（尤指不快的事件）
   the beginning of sth, especially sth unpleasant
   1. the onset of disease/old age/winter
      疾病的发作；老年的开始；冬天的来临

1. N-SING （尤指不快之事的）开始，开端，肇始
   The onset of something is the beginning of it, used especially to refer to something unpleasant.
   1. 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。
   2. 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。

1. 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。
2. 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。
3. 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。
4. The disappearance of monomer droplets at the onset of interval III can be observed visually.
   在阶段Ⅲ开始时就可以目视观察到单体液滴的消失。
5. The ravages of this condition I observed; the onset of her mental instability I only felt.
   我目睹了疾病的摧残，但只能凭感觉猜想她精神刚开始不稳定时的状况。
6. 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。
7. Symptoms of acute onset suggest a vascular cause or seizure;
   急性起病的症状，提示血管性或为癫痫发作；
8. Together we had watched the advance and onset of world disaster.
   我们曾一同注意观察世界灾难的发生和发展。
9. The Arab revolutions are not over, despite talk of the onset of winter.
   尽管有人说阿拉伯革命开始进入了“冬季”，但革命并没有结束。
10. Objective: To explore the pathogenesis, diagnosis and treatment of delayed onset diabetes insipidus after traumatic brain injury.
    目的：探讨脑外伤后迟发性尿崩的发病机制、诊断和治疗。
11. We now think that it may not be the amyloid fiber filaments that cause neuron death and disease onset.
    我们现在认为可能并不是淀粉样纤维细丝导致神经元死亡和疾病的发作。
12. 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。
13. I feel a sudden onset of clarity, bartok.
    我突然想清楚了一件事，巴托克。
14. The onset of the disease is usually gradual, starting with fever, general weakness, and malaise.
    该病通常为渐进性发病，开始时出现发烧、全身虚弱和不适。
15. 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。
16. Nonetheless, classification by age of onset and maximum function achieved is useful for prognosis and management;
    不过，通过发病年龄和获得的最大功能分类可以用来进行预后和管理；
17. A juvenile between the onset of puberty and maturity.
    处于青春期和成熟期的青少年。
18. On the basis of its onset, constipation may be classified as acute or chronic.
    根据病发情况，便秘可分急性和慢性两种。
19. 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。
20. Deaths in chickens near his home were reported in the week prior to symptom onset.
    在症状出现之前一周，曾报告了他家附近的鸡死亡。
21. Conclusion Cause, age of onset chronic renal failure, ultrafiltration, PTH hypotension-related.
    结论导致慢性肾衰的原发病、年龄、超滤量、PTH与低血压的发生有关。
22. 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。
23. The onset of this disease may resemble the prodromal period of icteric hepatitis.
    它的发病与黄疸型肝炎的前驱期相似。
24. 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。
25. 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。
26. He went to see a doctor at the onset of a fever.
    他开始发烧时便去看医生了。
27. If you have new onset stomach problem, this is a very likely diagnosis.
    如果你有新的胃部症状，这是一个非常有用的诊断方式。
28. Methods The data of49 cases of early onset severe preeclampsia were retrospectively analyzed.
    方法对49例早发型重度子痫前期患者进行回顾性分析。
29. Bleeding and diarrhea signal the onset of symptoms.
    出血和腹泻意味着症状的发作。

noun

1. (military) an offensive against an enemy (using weapons)
   1. the attack began at dawn

   Synonym:    attackonslaughtonrush

2. the beginning or early stages
   1. the onset of pneumonia

   Synonym:    oncoming