单词	now-and-then
释义	now-and-then 偶尔；有时
随便看	rf-driven rf driver RF dropout compensator RF dropout killer RFDS rfe RF electron plug RF electron superconducting accelerator r-f emission band-width r-f energy RF energy RF energy (rf energy) RFenvelope indicator RFE,R.F.E. rfes RF excited ion laser rf-excited laser rff rf field RFFIT rf flat-topping cavity RFF (reset flip-flop) RF front-end rffs RFFSH 精脊梁睡石头，便凉精诚团结，和衷共济精诚所加，金石为亏精诚所加，金石为开精诚所加，金石为开。精诚所至，金石为开精诚有为天应感，意气相倾山可移。精诚由中，故其文语感动人深。精贯白日，气凌霄汉精金烈火，百炼不折 57134 57135 57136 57137 57138 57139 57140 57141 57142 57143