"It's just a needle stick, but the cascade of events that follows are fairly serious," Dr. Bach said.

“那只是一个针刺，但是继发的事件相当严重。”Dr . Bach说。

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Carbon nanotubes, which are just billionths of a metre across, seemed the perfect needle.

纳米碳管的直径仅有一米的十亿分之一长，是最理想的金属针。

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It is going to take more than just NFC chips in every phone to make mobile payments a reality, but efforts by the major players this year should begin to move the needle.

要使移动支付成为现实，仅仅在每台手机上装nfc芯片当然远远不够，但是主要厂商在今年的不懈努力将会大大加快进程。

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At a distance of just 1 nanometer, the needle physically attracted the carbon monoxide molecules and pulled them to a precisely specified location on the surface.

WSJ: IBM makes tiny movie by pushing molecules around

While that might sound a bit pretentious, and just about as fun as, say, a sewing needle injury, Fashion's Night Out started for a more practical reason: To help the struggling U.S. clothing industry in an era of economic uncertainty.

CNN: Style mavens flock to Fashion's Night Out

Insulin is commonly given by a needle and syringe and is injected just under the skin.

CNN: Is it harmful to estimate extra insulin before a meal?