String players practice moving the fingers of the left hand up and down, while the bow to and fro with the right arm – two entirely different movements.

当弦乐演奏者上下移动左手指时，而其右胳膊须来回摆动琴弓两个截然不同的运动同时进行。

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String players practice moving the fingers of the left hand up and down, while drawing the bow to and fro with the right arm — two entirely different movements.

弦乐器的演奏者练习的则是在左手的手指上下滑动的同时，用右手前后拉动琴弓——两个截然不同的动作。

youdao

String players practice moving the fingers of the left hand up and down, while drawing the bow to and fro with the right arm-two entirely different movements.

弦乐器的演奏者练习的则是在左手的手指上下滑动的同时，用右手前后拉动琴弓——两个截然不同的动作。

youdao