over prep.在...的上方；遍及地；在...期间adv.穿过；完全覆盖；结束；落下n.(板球中)每个投球手一次连续所投出的球数
双语例句
This speaker is a good example of how useful a crossover design program can be. 这一位发言者是一个很好的例子，如何有用的交叉设计方案可以。
The reason inductors are used in crossover design is because the impedance of an inductor increases as the frequency of the signal applied to it goes up. 原因电感器中使用的交叉设计是因为阻抗电感增加的频率信号，适用于这是不言而喻了。
