例句與造句

1. Either way, it can take months to learn Morse, and years to achieve tapping speeds over the 20 words per minute average.
2. In addition to his Guinness Book world record tapping speed _ 28 taps a second _ he also is a flutist and a chess master.
3. In May 1989, Flatley set a Guinness Book world record for tapping speed at 28 taps per second, and subsequently broke his own record in 1998 with 35 taps per second.
4. It's difficult to find tapping speed in a sentence. 用tapping speed造句挺難的