“干呕”的英语

他突然觉得恶心，猛烈地干呕起来。Nausea surged in him and he retched violently.我感到恶心,干呕了几次, 但没吐出什么来.I felt some nausea and retched several times. But I didn't throw up anything.你最近总是干呕、困倦,是不是 有身子 了?You always have a dry cough and lo...