A good relay in the 1940's might be able to flick back and forth fifty times in a second.

20 世纪 40 年代，好的继电器可以一秒内开关五十次。

Heads turned as Harry passed and, when he sat down, he saw all the faces flick back to the front again.

哈利走过时许多人回头看他，当他坐下时，看到那些脑袋都赶忙转过去了。

Leo Tyrell flicked the hair back from his eye. " I do not fight duels with pig boys. Go away" .

里奥·提利尔拨开眼前的头发。" 我不跟猪倌决斗。走开。"

A kind of ripple crossed the Great Hall as a few heads turned in Harry's direction before flicking back to face Dumbledore.

礼堂里起了一阵波动，有几个人把头转向哈利，随即又赶紧转回去，望着邓布利多。

A good relay in the 1940’s might be able to flick back and forth fifty times in a second.

一个好的继电器在 1940 年代可能可以在一秒钟内来回轻弹五十次。

The boys at school think she's beautiful because her hair is shiny black like raven feathers and when she laughs, she flicks her hair back like a satin shawl over her shoulders and laughs.

学校的男生认为她很美，因为她的头发像渡鸦羽毛一样乌黑闪亮，她笑的时候，把头发往后一甩，像一面滑缎方巾披在肩膀上，然后大笑起来。