Arms - Arms are always 180-degrees from each other. Arm speed is controlled by kick speed. Recovery arm is straight from wrist to shoulder and points straight up.

手臂——两臂之间总是保持180度，手臂速度受控于打腿速度。回复臂为由手腕到肩的直臂移臂并经过正上方入水。

youdao

Arms - Arms are always 180-degrees from each other. Arm speed is controlled by kick speed. Recovery arm is straight from wrist to shoulder and points straight up.

手臂——两臂之间总是保持180度，手臂速度受控于打腿速度。回复臂为由手腕到肩的直臂移臂并经过正上方入水。

youdao