2017-07-13
PTE口语考试很看同学们的英语功底,所以平时要注意积累跟练习,否则到考场可能会无话可说,今天PTE在线学院小编给大家推荐一篇口语练习短文,希望同学们能够不断练习,提高自己的口语水平!
Computer models of the splashes revealed interesting details.At the moment the blob of liquid makes contact with the surface, the bottom of the drop flattens out and the pressure increases.The ring of pressure spreads towards the drop's edges. If the surface is too hard, the ring of high pressure creates tiny droplets that explode from the main drop's edges.But the softest surfaces deform in response to the drop hitting them- and that prevents the pressure from getting high enough to cause that explosion.Sadly, you won't see squishy coatings on urinals just yet, or in your laboratories- antisplash materials are too frail.The softest ones are quite delicate so you wouldn't be able to make a laboratory bench with them, they'd get damaged quite quickly.
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