adv.实际上；几乎
It is virtually impossible to predict the future accurately. 精确预言未来的事实际上是办不到的。
It's not an agreement as such, but it will have virtually the same effect as one. 它算不上是协定, 但实际上起协定的作用。
This opinion was held by virtually all the experts. 差不多所有的专家都持这一看法。
