It's impossible to fumble the ball...when the quarterback has the proper hand placement.

如果四分卫把手的位置放正确了，传球怎么可能会失误呢。

495.when the quarterback has the proper hand placement.

传球怎么可能会失误呢。

So there was some I was pulling from, certainly hand placement and basic scales.

所以我从中提取了一些东西，当然是手部放置和基本音阶。

And to refer to different times of day, you would show hand placement according to the position of the sun in the sky.

为了表示一天中的不同时间，你会根据太阳在天空中的位置来显示手的位置。