Frost's Descent, the 18th solar term of the year, is the last solar term of autumn, during which time the weather becomes much colder than before and frost begins to appear.

霜降是一年中的第18个节气，是秋天的最后一个节气，在此期间，天气比之前变得更凉，开始出现霜降。

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In April, a Soyuz capsule landed 420 km off course after explosive bolts failed to detonate before re-entry, sending the craft into a steep descent.

今年4月，“联盟号”飞船返回舱在进入地球大气层之前因爆炸螺栓未能引爆，最后在偏离预定着陆点420公里的地方惊险着陆。

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Regardless, passengers will spend a few hours cruising silently 36 km above the earth before beginning their descent.

无论如何，乘客在开始下落之前将需花几个小时在地球36千米上空巡航。

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The Iraqi Rowing Federation boathouse had only been finished a year earlier, an expression of optimism before the descent into chaos.

BBC: Iraq's Olympians row amid gunshots and bomb blasts

The thoughts of the cliff might be enough to terrify the able-bodied but some members of the squad had to overcome other demons before making the descent.

BBC: Hoop stars go over the edge

On a downhill slope, get your speed low before you start the descent, and do not let it build up - it is much easier to keep it low than to try to slow down once things get slippery.

BBC: How to drive in snow and icy weather