As we set out from the Peruvian coast to find the source of the Amazon (a cascade from a 15-metre-high rock-face) we were panting after just 100 metres.

当我们从秘鲁海岸出发以找寻亚马逊河的源头(一处悬于岩壁的15米高的瀑布)时，我们渴望它只有100米。

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When not blocked by peptide 15-1, hyaluronan fragments bind to skin cell receptors and set off a signaling cascade that increases inflammation at the site of the injury.

当没有被肽15-1阻隔，透明质酸碎片附着在受体的表皮细胞并且在受伤部位产生显著的层叠而加速发炎。

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Small sugar fragments can set off a signal cascade that increases inflammation and scar formation. A small peptide can block this process and allow scar-free healing

糖碎屑能引发皮肤快速发炎和形成疤痕的显著层叠。

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The flange and dial are set with a cascade of 177 brilliant cut diamonds (0.53 cts.).

FORBES: The Montblanc Princess Grace Collection

When the cosmic rays and gamma rays smash into molecules in the Earth's atmosphere, they set off a cascade of other fast-moving particles.

BBC: Hawc gamma-ray telescope captures its first image

The decision, for instance, not to save Lehman Brothers, the big investment bank in New York, set off a cascade of bad events.

NPR: Economy Is Not Off Life-Support Yet