haemifacial spasm
noun[C]
medicalUKspecialized(UShemifacial spasm)uk/hiː.mɪˌfeɪ.ʃəl ˈspæz.əm/us/ˈhiː.məˌfeɪ.ʃəl ˈspæz.əm/aspasm(=occasionwhen amusclesuddenlybecomestighter)affectingonesideof theface:
半面痉挛Haemifacialspasmsarecausedby abloodvesselpressingon one of thenervescoming from thebrain.半面痉挛是由于血管压迫一股大脑神经造成的。