onset

英 [ˈɒnset]

美 [ˈɑːnset]

n.  开端，发生，肇始(尤指不快的事件)

TOEFLIELTSGRETEM8医学

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
  1. the onset of disease/old age/winter
     疾病的发作；老年的开始；冬天的来临

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.
  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。

英英释义

noun

• (military) an offensive against an enemy (using weapons)
  1. the attack began at dawn
  Synonym:attackonslaughtonrush
• the beginning or early stages
  1. the onset of pneumonia
  Synonym:oncoming

双语例句

• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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；