虚

• Is the object real or virtual ?
  此物是实的还是虚的。
• The circular points are really a degenerate conic .
  虚圆点实际上是一退化的二次曲线。
• The original(real or virtual)photon is re-created .
  原来的光子（实的或虚的）再度产生。
• The galleries were packed .
  旁听席上座无虚席。
• A real or virtual photon may spontaneously annihilate .
  一个实的或虚的光子可以自发地湮没。
• Never bluff unless you are prepared to carry through .
  如你没有决心干到底，就不要虚声恫吓。
• Jordache swung once more .
  乔达虚又揍了一拳。
• The promise to sell gold became increasingly hollow .
  出售黄金的承诺就越来越变得虚有其名了。
• One example of this is the two-bounce ghost reflection .
  其中一个例子是两次弹跳的“虚”反射。
• The jordaches were special, there was no doubt about that .
  乔达虚一家人与众不同，这一点确定无疑。