However, the weight gain was not permanent in every case, lasting only long enough for the infected person to build up resistance to the virus.
然而,这种原因的体重的增加都不是永久的,它只会持续到感染者有能力足以抵抗该病毒为止。
SynCardia is developing smaller and longer-lasting power supplies, ultimately in hopes of getting FDA approval for a permanent heart replacement.
辛卡迪亚正在研发更小,持续更久的便携式驱动器,希望最终能更得到FDA的批准以作为永久性心脏置换装置。
So this might be a longer lasting, more permanent form of elimination of expression of a particular gene.
所以这似乎是一种持续时间更长,更长久地阻止某个特定基因表达的方法
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