補充，玉與鑽石是不一樣的東西，鑽石英文是 diamond 這個單字。
玉英文造句練習
Mark has a hobby of jade collection.馬克有收藏玉的嗜好。
This jade is quite perfect.
這塊玉相當完美。
Young people seem to prefer diamonds than jade.
年輕人似乎比較喜歡鑽石勝過玉。
In ancient times there were many jade articles.
在古代有很多玉器。
Jade is a generic term for a class of minerals.
玉是一類礦石的泛稱。
Types of jade very complex.
玉的種類非常繁雜。
Mineralogy, history and archeology give to jade different classification and definition.
礦物學、歷史學及考古學給玉不同的分類與定義。
In the Neolithic Age, humans have begun to use tools which used jade as the material.
在新石器時代，人類已經開始使用以玉為材質的工具。