止吐 settle the stomach
打噎 belch （eruct； eructate）
The patient developed nausea and vomited bile-stained fluid on several occasions.
With the advent of vomiting， he noted severe epigastric pain as well as severe headache.
At noon on the following day she stared vomiting food， which was followed by bile- stained material.
在病发时呕吐2次 vomit twice at the onset