汤姆先助跑，然后投球投得十分好。
跳远的助跑速度与跳远成绩密切相关。
The speed of approach of the long-jump is closely related to the achievement.
这就是超越自我的助跑线。
撑竿跳需要长距离助跑。
他说，些许老茧可以帮助跑步者免受伤害。
总之，要使助跑速度不断增加到一个可控制的最大速度。
In short, make the run-up speed increased to a maximum that can be controlled.
习惯上，没有足够的助跑空间，根本不试图去飞，而会终生呆在一个没有顶的小监狱里。
Without space to run, as is its habit, it will not even attempt to fly, but will remain a prisoner for life in a small jail with no top.
你得先助跑，然后抓住绳子，向外荡出去，荡得越高越好，然后放手，纵身跳进水潭里。
You got to get a running start. Then you grab the rope and swing out and up as high as you can, and then you let go and fall to the water.
这是它的习惯，如果没有了足够的助跑空间，它甚至不会尝试去飞，只会终身困囿于一个无顶的小囚笼中。
Without space to run, as is its habit, it will not even attempt to fly, but remain a prisoner for life in a small jail with no top.
这是它的习惯，如果没有了足够的助跑空间，它甚至不会尝试去飞，只会终身困囿于一个无顶的小囚笼中。
Without space to run, as is its habit, it will not even attempt to fly, but remain a prisoner for life in a small jail with no top.
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