这是硅芯片——一个硅晶体的小芯片。

This is the silicon chip—a little chip of silicon crystal.

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在这堂课开始时，李老师解释了如何做产生大晶体的实验。

At the start of the lesson, Miss Lee explained how to do the experiment to produce large eye crystals.

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雪以六角形晶体的形式落下，但一旦落到地面，雪很快就会变成一团更小、更圆的颗粒。

Snow falls as hexagonal crystals, but once on the ground, snow is soon transformed into a compacted mass of smaller, rounded grains.

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And these rings are indicative of the crystal structure of nickel and can be explained only by invoking wavelike properties of light.

这些光圈,表明了了镍的晶体结构,而且只能通过,光线中波的特征来解释。

麻省理工公开课 - 固态化学导论课程节选

If you take one of those individual grains of sodium chloride, look at it carefully, you will see the edges look like this.

如果你拿起,氯化钠晶体的一粒，仔细观察，你可以看到这样的棱角。

麻省理工公开课 - 固态化学导论课程节选

And that's consistent with other things that we've seen, Remember the whole thing about the perfect crystal at zero degrees Kelvin has zero entropy It's completely ordered.

这和我们看到的其他东西自洽吗？,想想零摄氏度下的,完美晶体的熵为零,这是完全有序的。

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