Blak likes to keep that kind of clock on his oak-desk.

布莱克喜欢把那种闹钟摆在他的橡木桌上。

And many of last year's new drinks, such as Coke Blak, a coffee-infused soft drink, and Gold Peak, an iced tea, were flops.

去年，许多新推出的饮品彻底失败。这些饮品包括了混合咖啡的Blak可乐和Gold Peak冰爽茶。

This paper offers another formula to calculate acceleration of gliding blak movement on air cushion track, and it has been proved with experiment.

给出了计算气轨上滑块运动加速度的另一公式，并用实验进行了验证。