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 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• He went to see a doctor at the onset of a fever.
  他开始发烧时便去看医生了。
• 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。
• 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。
• 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。