singultus
  呃逆
  sin·gul·tus /sɪŋˈgəltəs/ 名詞
  呃逆
  Sin·gul·tus n.  Med. Hiccough.
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  singultus
       n : (usually plural) the state of having reflex spasms of the
           diaphragm accompanied by a rapid closure of the glottis
           producing an audible sound; sometimes a symptom of
           indigestion; "how do you cure the hiccups?" [syn: hiccup,
            hiccough]