While the better trained soldiers practise a parachute jump in a simulator which perfectly imitates the jump (especially the moment of leaving the aircraft and landing).
受过良好训练的战士在模拟装置上进行跳伞练习，完全模仿跳伞过程(尤其是脱离飞机并着陆的过程)。
And after that he would jump 40,000 feet from a plane, without a parachute, and land in a haystack; just pick the haystack.
而且在这之后，他会从四万英尺的高空骑着摩托车跳下，而不带降落伞，最终跳进一个干草堆；这干草堆就是他的目标。
And after that he would jump 40, 000 feet from a plane, without a parachute, and land in a haystack; just pick the haystack.
而且在这之后，他会从四万英尺的高空骑着摩托车跳下，而不带降落伞，最终跳进一个干草堆；这干草堆就是他的目标。
He descended 672 metres (2, 205 feet) in less than a minute, his fall broken by a parachute which opened ten seconds into the jump.
他在一分钟以内就下降了672米(2205尺)，在跳下十秒钟后，他打开了降落伞，不再作自由落体运动。
Steele, 49, was a veteran of 8, 000 parachute jumps and the pair were the last of about 10 skydivers to jump out of the plane.
49岁的斯蒂尔是一位有过8000次跳伞经验的老手，他们这对是当次十名跳伞者中最后跳下飞机的。
The airman bold ly jump from the airplane with his parachute.
飞行员带着降落伞勇敢地跳下飞机。
If a squirrel should jump or fall out of a tree the tail can be spread out like a small parachute to slow the squirrel down.
如果松鼠跳跃或者从树上掉下来，尾巴能够像降落伞一样展开，使松鼠慢慢下落。
The problems of a parachute jump, parachuting from tower and from a great height are analyzed by Newton's mechanical principles.
用牛顿力学原理分析了跳伞降落、跳伞塔跳伞和高空跳伞的问题。
People who do extreme sports like skydiving are insane. Why jump out of a perfectly good plane? What if the parachute doesn't open?
会去从事像是跳伞这类极限运动的人都疯了。好端端的干吗从飞机上一跳下去？万一降落伞没打开呢？
When learning howto parachute, it's absolutely essential not to jump the gun and open the parachute too soon after jumping out of the plane.
在学习如何跳降落伞时，绝对不能在跳离飞机时就匆忙地打开降落伞。
The first parachute jump was made by a dog in a basket, which Blanchard had attached to the parachute and dropped from a balloon in 1785.
第一次跳伞是1785年由篮子里的一只狗完成的。布朗沙尔将篮子系在降落伞上，从一只气球上扔下来。
Parachute sport is the most popular and challenging for them, people jump for the high mountain and then open the parachute, flying above the sky and seeing the scenery.
跳伞运动对人们来说是很受欢迎，很有挑战的运动，他们从高山上跳下来，然后打开跳伞，在天空飞翔，看看风景。
Instead of gliding through the air as he expected, he made a parachute-jump and fell to the ground.
结果不是他所期望的那样滑翔升向天空，而是跳伞一样落到了地面。
"Children wanted to think:" I'll tell the people sit on the plane tie belt, meeting I hung up my parachute jump to go.
小朋友想了想：“我会先告诉坐在飞机上的人绑好安全带，邂逅我挂上我的降落伞跳出去。”
He descended 672 metres (2,205 feet) in less than a minute, his fall broken by a parachute which opened ten seconds into the jump.
他在不到一分钟的时间内下降了672米(2205英尺)，其间，自由坠落的时间达到了10秒钟。
He descended 672 metres (2,205 feet) in less than a minute, his fall broken by a parachute which opened ten seconds into the jump.
他在不到一分钟的时间内下降了672米(2205英尺)，其间，自由坠落的时间达到了10秒钟。
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