单词:quench oscillator
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Keeping Time With Quartz Most people know that wrist watches commonly contain quartz. In fact, if you wear a watch, chances are its a quartz watch, since most watches is made today use quartz. But, you may not know what quartz has to do with keeping
Stir It Up Bob Marley Stir it up; little darlin', stir it up. Come on, baby. Come on and stir it up: little darlin', stir it up. O-oh! It's been a long, long time, yeah! (stir it, stir it, stir it together) Since I got you on my mind. (ooh-ooh-ooh-oo
A legendary giant Kua Fu,overrating his own abilities,wanted to catch up with the sun.He followed the sun to its setting place at a valley far away and became very thirsty.Badly needing a drink of water,he went to the Yellow River and the R