hyperventilate /ˌhaɪpəˈvɛntɪleɪt/ ( hyperventilating, hyperventilated, hyperventilates )

• 1. 

  V-I If someone hyperventilates, they begin to breathe very fast in an uncontrollable way, usually because they are very frightened, tired, or excited. 呼吸急促

  例：

  I hyperventilate when they come near me with the needle.

  当他们拿着注射针走近我时，我的呼吸急速加快。

• 2. 

  hyperventilation N-UNCOUNT

  例：

  Several notable researchers are studying the effects of hyperventilation.

  几位著名的研究人员正在研究呼吸急促的后果。