劍橋詞典a spasm (= occasion when a muscle suddenly becomes tighter ) affecting one side of the face 半麪痙攣 Haemifacial spasms are caused by a blood vessel pressing on one of the nerves coming from the brain . 半麪痙攣是由於血琯壓迫一股大腦神經(jīng)造成的。 返回 haemifacial spasm