left-hand movement

例句：

1. 1. The left-hand movement is a popularsport in many countries.
   左手运动是许多国家流行的运动。
2. 2. She was left-handed and had to learn to writewith her right hand.
   她有左撇子的习惯，不得不用右手写字。
3. 3. Theleft-hand movement has been shown toimprove hand-eye coordination.
   研究表明，左手运动可以提高手眼协调能力。