To introduce a method of machining technics for inner ball face by horizontal lathe with according to the theory of any two points on ball face to the center of the ball are equal.

根据球面上任意点到球心的距离相等的数学定义，运用实现基本动作，结构最简化的设计思路，设计一种内球台球面在卧式车床加工的装置。

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He headed the ball across the face of the goal.

他用头顶球，球越过了门框。

《柯林斯英汉双解大词典》

A ball came hurtling towards her face.

一个球劈脸向她打来。

《新英汉大辞典》

Speed, right. So another decision you face is do you just try and kick this ball as hard as you can or do you try and place it?

球速是正解,你还需要考虑,当你主罚点球时你是大力抽射,还是小力轻擦

耶鲁公开课 - 博弈论课程节选

"I saw the ball in my face, so I just tried to wrap it up, " Hardaway said.

NPR: No. 3 Michigan Beats No. 10 Ohio State 76-74 In OT

And it was the visitors who had the first real effort when Stokes flashed the ball across the face of goal, Accies keeper Tomas Cerny tipping wide.

BBC: Sport - Football - Hamilton Accies 1-1 Celtic

However, Leicester were back on level terms when a Gallagher ball across the face of the Baggies goal was put into his own net by substitute Shorey.

BBC: Sport - Football - Leicester 1-4 West Brom