起跳作为跳远运动各项技术环节中最为重要的环节，它决定了人体腾空瞬间的运动速度和运动方向，进而决定了跳远成绩的好坏。
Takeoff is the most important technique among the others, set the body's speed and direction at the lifting moment and proceeds to determine the distance of the long jump.
一片巨大的灰尘腾空而起，一座高架桥瞬间消失了。
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