graphite
noun 石墨
UK /ˈɡræf.aɪt/
US /ˈɡræf.aɪt/
meaning:
a soft, dark grey form of carbon, used in the middle of pencils, as a lubricant in machines, and in some nuclear reactors
词汇助记:联想法
1)词根:graph- 写(photograph 照片)
2)后缀:-ite 形容词或者名词后缀(appetite 食欲)