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
- 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。 - Bleeding and diarrhea signal the onset of symptoms.
出血和腹泻意味着症状的发作。 - 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。 - 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 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。 - A juvenile between the onset of puberty and maturity.
处于青春期和成熟期的青少年。 - 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； - 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。 - 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； - 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。