Without stirrups horse and rider are, in terms of force, separate entities; lances can be used from horseback, but only by throwing or stabbing, and mounted warriors gain only height and mobility.

没有马镫，马和骑手在力量上是独立的实体；长枪可以从马背上使用，但只能通过投掷或刺杀，骑兵只能获得高度和机动性。

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The crash happened shortly after take-off when the plane was unable to gain enough height to clear the mountains.

飞机起飞后不久就坠毁了，因为飞机无法上升到足够的高度飞越群山。

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The recommended weight gain for a woman within the normal weight range for her height is 25 to 35 pounds.

对在正常体重范围内的女性建议的体重増加量根据身高是从25磅到35磅。

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If left to proceed unchecked, it could mean that growth is stunted as the body receives chemical signals telling it to switch off further height gain.

BBC: NEWS | Health | Gene 'decides timing of puberty'

The findings highlight the importance of monitoring a baby's weight and height gain during the first few weeks and months, but not creating anxiety with parents of slow-growing babies, said study leader Prof Alan Emond from the University of Bristol.

BBC: Slow-growing babies 'catch-up' by teens

In the Albula Valley the track spirals to gain height, and around the austere grandeur of the Bernina Pass becomes one of the world's steepest narrow-gauge railways.

BBC: Swiss movement