The Frequency Shift Keying modulation is widely used in HF digital communication.移频键控是短波数字通信中常用的一种调制方式.Her sister carried with her most of the grimness of shift and toil.她姐姐身上还带着艰辛操劳的痕迹.Before deselecting shift the selec...
Mr Milner persuaded the federal prosecutors not to lock up his client.米尔纳先生说服联邦检察官不把他的当事人关起来。Don't forget to lock up.别忘了锁好门窗。He reminded me to lock up the house when I go out.他提醒我外出时把屋子锁起来....