2026-03-21 11:07 浏览次数 19
热处理宝石
Just as raising temperature can change the properties of iron and other metals, early humans heated stone to make it easier to flake.
正如给铁和其他金属加温以改变其属性,早期人类通过给石头加温,使之更容易被制作成石片。
Visitors see how cocoa nibs3 are ground on a heated stone called matarte with spices and other ingredients to produce a chocolate block.
游客们可以看到为了制作巧克力块,在一块名为matarte的热石上将可可粒,调料以及其他原料一起磨碎。