• "What you've got here is a legal issue and a political issue and both of those are very much in play at the present time,".

    VOA: standard.2010.01.30

  • The danger is that it's being purified from patients that have a disease and so you want to make sure that there's not other diseases that are present in that sample at the same time.

    危险在于,这是从带有疾病的病人,身上纯化出来,因此你想确保,在那个样本中不会同时,携带其它疾病

    耶鲁公开课 - 生物医学工程探索课程节选

  • Others last for months or even years. There is no clear way of predicting at the present time how long this activity might go on for."

    VOA: standard.2010.04.16

  • If several of these conditions are present at the same time, a person's body temperature may rise above safe levels.

    VOA: special.2010.07.27

$firstVoiceSent
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