Construction is a combination of workmanship and choice of materials. Take this computer, if I pull the silicon out, I replace it with gallium arsenide, leave everything else the same.

构造则是技巧和材料的选择,的结合，拿这个电脑为例，如果我将硅取出，替换成砷化镓，其他东西不变。

麻省理工公开课 - 固态化学导论课程节选

bviously,the phases are no longer in alphabetical order, but I introduced D in the middle so the other phases could keep their same labels.

显然，这阶段不是按照字母表的顺序排列的，我在这里放入D，其他阶段不变。

耶鲁公开课 - 死亡课程节选