Electrospinning works by connecting a needle-like spinneret to a high-voltage power source and releasing a charged liquid from it towards an earthed collector plate.

电纺的工作方式是将一根针状喷丝头连上高压电源并从中对一个接地的收集器释放出一股带电液体。

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Searching for one man in this city is like looking for a needle in a haystack.

在这个城市里找一个人无异于大海捞针。

《牛津词典》

It's like finding a needle in a haystack.

这简直是大海捞针。

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Decked out with swooping curves, racing horizontal bands, wraparound windows, needle-like towers and candy-coloured neon, the architecture was designed to remind visitors that they 0 200 400 600 800 1000 were on holiday.

BBC: The perfect trip: Florida

Unfortunately for snow enthusiasts, the model found that the fragile needle-like ice crystals connecting the two layers can be broken easily and separated by the weight of new snow or a skier.

MSN: How a deadly avalanche can be triggered

The grass was making needle-like pricks through the thin material of her maroon scrubs, and she sat up, smoothing her matching V-neck over her chest and belly, feeling the familiar stab of self-consciousness as her hand rode over the unfashionable lumps.

NEWYORKER: The Visitor