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

• Bleeding and diarrhea signal the onset of symptoms.
  出血和腹泻意味着症状的发作。
• A juvenile between the onset of puberty and maturity.
  处于青春期和成熟期的青少年。
• 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。
• 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。
• 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。
• 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 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。
• 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。
• I feel a sudden onset of clarity, bartok.
  我突然想清楚了一件事，巴托克。
• 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。