我们的问题是，如果我们被问到多少，如果给定总的压强和温度，我们还需要知道什么，才能知道混合的摩尔分数？

And our question is, what we're going to be asking is, how many, if I give you the total pressure and the temperature here, what else do I need to know to find out all these molar fractions?

youdao

当被问到他对PRONAL产品的印象时，张总用几个关键词来进行了阐述：设计独特，质量保证，售后完善，物美价廉。

When asked about his impression of the PRONAL product, Zhang used a few key words to elaborate: unique design, quality assurance, after-sales improvement, affordable.

youdao