But the sun, as seen from Earth, is nearly as large as a little fingertip held at arm's length-a size known to astronomers as half a degree wide.

但是太阳正如我们在地球上所见，好像举起手臂，看一臂之外的指尖那样大小——对于天文学家来说也就是半度宽。

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Researchers at Canada's McMaster University enlisted 100 volunteers, and measured each study subject's index fingertip.

来自加拿大麦克马斯特大学的研究人员招募了100位实验志愿者，并测量了他们每个人食指的数据。

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Usage: Take proper amount (as large as a pearl) at your fingertip every morning and evening; slightly smear it around your face or neck.

使用方法：每天早晚取适量(珍珠大小)于指尖，在面部或颈部轻轻涂抹。

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The doctor added that there had been no signs of fingertip marks at the sides of the neck, which were often seen in "manual strangulation" using the hands.

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So this lacks a little perspective of a little bit broader -- but if you look at Louisiana, where we are is that fingertip out, right, is -- Venice is where the helicopters took off from -- right?

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Robert Green then made a superb fingertip save to deny John O'Shea at the other end before Rooney screwed his volley wide after Heinze picked him out with a superb far-post cross.

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