Frequency is measured in hertz, or cycles per second.频率用赫兹即每秒钟的周数来计算.Rate of signal oscillation in hertz.信号振荡的速率,以赫兹(Hz) 为单位.There are Hertz, avis , Budget, National and several other small companies.有Hertz, avis, Budget...
It was windy and Jake felt cold.风很大,杰克觉得很冷。Jake has raised two smashing kids and I trust his judgement…杰克养大了两个了不起的孩子,我相信他的判断。Jake's head jerked up at the throb of the engine.听到发动机的轰鸣声,杰克猛地抬起了头。Jake: Ok. Racist. I th...