knuckleball
英 ['nʌklbɔ:l] 美 ['nʌkəl'bɔl]

n.

（投手投出的）不旋转球；

英英释义

knuckleball[ 'nʌklbɔ:l ]

• n.a baseball pitch thrown with little speed or spin

  同义词：knuckler

权威例句

Knuckleball
Knuckleball
Aerodynamics of Knuckleball
Aerodynamics of a knuckleball
Analysis of knuckleball trajectories
Unsteady Aerodynamic Force on a Knuckleball in Soccer
Erratic Behaviour of Knuckleball : (2) Wake Field and Aerodynamic Forces
Erratic Behaviour of Knuckleball : (1) Quasi-Steady Flutter Analysis and Experiment
Aerodynamics of the knuckleball pitch: Experimental measurements on slowly rotating baseballs
The Aerodynamics of the Knuckleball Pitch: An Experimental Investigation into the Effects that the Seam and Slow Rotation have on a ...