Especially the third one describes the pinhole image formation experiment and analogies rectilinear propagation with the archery flight.

特别是其中的第三条描述了针孔成像实验，并用射箭的飞行来比喻光的直线传播。

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One way of avoiding emotion is to talk in the third person, taking yourself and especially them out of the picture. Thus, rather than say.

采用第三人称是一个避免提问情绪化的方法，把自己，特别是被问者从问题中剔除。

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It's like a vacation really, especially since only two of them are in 10 diapers and the third one has been fully trained to change them.

这种生活很像在度假，特别是因为他们中的两个还包着尿布，而另一个经训练已经完全学会了换尿布。

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One-third of its sales come from bromine-based products, especially the flame retardants that keep DVD players from catching fire.

FORBES: Paddling Upstream

The third floor's retractable roof is great on warmer days, especially with a plate of freshly prepared sushi and one of 27 bottles of wine on offer.

BBC: Business trip: Boston