在他身后,电话铃刺耳地响了起来。
壶铃的运动是前后方向的,而非上下,要实现此目的需要将力向前延伸,并通过双脚抓地来抵抗向前的拉力。
The movement of the bell is forward and back, not up and down, with the goal to project the force forward and to resist by grounding into your feet.
你是否曾经听见电话铃在响,就直觉地知道是谁打来的呢?
Have you ever heard the phone ring and know intuitively who was calling?
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