她犯了一次严重的哮喘，一个小时之后才恢复正常呼吸。
She had a severe attack of asthma and it took an hour to recover her breath.
用数字式心电图机记录蟾蜍用氯仿熏前、熏后即刻和恢复正常呼吸后的心电图的变化。
The changes of ECG in toad before, at the same time and after normal respiration by using chloroform are recorded through digital ECG machine.
“初学者需要特别关注他们的呼吸。” 加拉格尔说，“经验丰富的练习者能够很轻松地‘恢复正常呼吸’。
“Beginners need to focus on their breathing particularly, ” Gallagher says, “but more experienced exercisers can get their 'second wind’ quite effortlessly.
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