vomiting       
noun [ U ] uk/ˈvɒm.ɪ.tɪŋ/ us/ˈvɑː.mɪ.t̬ɪŋ/
 呕吐
the act of emptying the contents of the stomach through the mouth
  There are a range of symptoms, including headache and vomiting. 有一系列的症状,包括头痛和呕吐。 
 See: vomit
 - More examples
 - Exposure to the chemical can cause nausea, vomiting, and low blood pressure.
 - In children, the flu is often accompanied by vomiting.
 - What causes nausea and vomiting in pregnancy?
 - If vomiting continues for more than 12 hours, see your doctor.