下陷处， 坑比周围低的区域；洞， 坑。
下降的岩石比周围的地幔的温度低很多，因此延展性较小，更容易断裂。
The descending rock is substantially cooler than the surrounding mantle and hence is less ductile and much more liable to fracture.
但是随着防雾眼镜的发明，这种水汽蒙蒙的时刻——通常是由于镜片本身比周围空气温度低或者高——将会彻底终结。
But such steamy moments - which usually happen when lenses are colder or warmer than the air around them - could be wiped out with the invention of non-fogging glasses.
不熔凝胶与周围树脂有同样的熔点，但是受热温度比平均温度低。
Unmelted gels have the same melting point as the surrounding resin, but remained colder than the average melt temperature.
果然，格鲁夫发现，维护良好的草坪周围的犯罪率比维护欠佳的草坪周围的犯罪率要低。
Not surprisingly, Grove found that well-maintained lawns were linked to lower crime rates than lawns that were given less care.
坚持以水分子凝胶表面，因为它表现出了周围的空气低蒸气压比。
Water molecules adhere to the gels surface because it exhibits a lower vapor pressure than the surrounding air.
坚持以水分子凝胶表面，因为它表现出了周围的空气低蒸气压比。
Water molecules adhere to the gels surface because it exhibits a lower vapor pressure than the surrounding air.
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