单词	伴侣动物
释义	伴侣动物 bànlǚ dòngwùpet
随便看	frequency range expanding method frequency ranges frequency-ranges frequency ranges different frequency ranges, different Frequency-ranking frequency rapid-scanning frequency raster frequency rate frequency rating frequency ratio frequency-ratio frequency-ratio method frequency reading gradient Frequency readout frequency recognition frequency reconfigurable antenna frequency reconnaissance frequency record frequency recorder Frequency Record Management System frequency recovery frequency reducer frequency reduction frequency redundancy in speech waves