左手习惯 left handed

右手习惯 right-handed

候补投手练习区 bull-pen ; hingf truths-pen ; pen

右手练习 Exercise for the Right Wrist

学习助手 AutoCAD Learning Assistance AutoCAD ; the studying assistant

手指练习 finger ; fingers practice

左手伴奏形态左手练习 Slow Soul ; Boogie Woogie ; Waltz ; Tango

实习水手 apprentice sailor ; seaman apprentice

手的练习 EXERCISE FOR HANDS