Wings become heavy, and I began to fall rapidly.

羽翼变得沉重，我开端迅速下落。

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As with the first high definition sets, however, costs are likely to fall rapidly over the coming months.

不过，就像第一批高清产品一样，未来几个月这一成本或许会迅速拉低。

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For this to happen, the world's scientists think global must start to fall rapidly during the next decade.

为了防止全球气温升高，世界科学家们认为全球碳排放在未来的10年里必须快速减少。

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Alternative-energy car sales tend to fall rapidly after fuel prices peak, according to Kelly Blue Book.

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Likewise, some tents last for a long time whereas others fall to pieces rapidly.

ECONOMIST: Some bats live in belfries. Others prefer tents

If control of Phobos-Grunt cannot be re-established, the focus of interest will very rapidly shift to the spacecraft's certain fall to Earth.

BBC: Stricken Mars probe stays silent