This full-size training version of the Soyuz capsule is used to practice launches and descents.

联盟号原尺寸复制的训练舱用来练习发射和降落。

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Its low approach speed, combined with steep climbs and descents, would make it inaudible outside the airport.

凭借低缓的进场速度以及急剧升降的性能，飞机的声响不会传到机场之外。

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Swiss Alps Mountain Passes Swiss Tour: The mountain passes of the Alps are always a favourite with bikers, as the winding roads offer dramatic climbs and descents coupled with stunning views.

瑞士阿尔卑斯山：阿尔卑斯山是骑行者们喜欢的地方，弯曲盘旋的山道上可以体验激烈的上下坡骑行，还可以观赏令人震撼的美景。

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The book is full, you will see, of a number of descents and ascents.

你们将会读到，本书充满一些下降与上升的句子。

耶鲁公开课 - 政治哲学导论课程节选

Its low approach speed, combined with steep climbs and descents, would make it inaudible outside the airport.

ECONOMIST: Green aircraft

Scattered across a 125-mile network of well-marked trails managed by the local not-for-profit Methow Valley Sport Trails Association lie aspen groves, isolated ranches, foraging mule deer, and enough slippery descents to make even the most experienced powder hounds grip tightly to their ski poles.

BBC: Cross-country skiing in Washington��s Methow Valley

Throughout his professional career, the 31-year-old has braved treacherous rapids in more than 40 countries and racked up over 100 first descents successfully paddling a river's uncharted territory.

CNN: STORY HIGHLIGHTS