“预先的”的拼音？

云端计算的用户不再需要做预先的承诺.The elimination of an up - front commitment by Cloud users.预先的热刺激导致HSP70基因表达增高至1.83±0.30.Preconditioning hyperthermia resulted in significantly increase of HSP 70 expression.我们会尽量忍着不去想得太远, 又确实会对马上要发生的事情...

“预先的”的英语可以翻译为：[法] fore，advance ...