left hander

1. There have been many research about the essence of the competition superiority of left-hander, but it still has got many of explaining.
   虽然关于左利手运动优势的本质和机制问题一直有不少研究报道，但其核心机制问题依然有多种解释。

noun

1. a baseball pitcher who throws the ball with the left hand

   Synonym:    left-handed pitcherleft-handerlefthanderleftysouthpaw