He used a body swerve to shake off a marker and create space for himself. Then, with marvelous disguise, with the merest of back lift from his left foot, he propelled the ball at startling velocity.
他突然变向摆脱掉防守他的球员，并为自己创造出空间，用一个逼真的假动作，仅仅向后提起左脚，就以惊人的速度将足球抽射出去。
The critical velocity of the Karo syrup would be 100 miles per hour for a quarter-inch ball bearing.
滚珠的临界速度，是每小时100英里，低得多。
It appears, however, that the "drag coefficient", CD, also depends on the velocity of the ball.
然而，阻力系数CD，也取决于球的速度。
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