Impregnated graphite materials

impregnated

v. 灌注, 使饱和( impregnate的过去式和过去分词 ); 使怀孕

graphite ['græfaɪt]

n. <化>石墨，黑铅;铅笔粉;

graph 写，图+ ite表示物 → n.石墨

materials [[mə'tiəriəlz]]

n. 材料；材料费；材料科学；材质（material的复数）

My mother, Ellen Stewart.

我母亲Ellen Stewart。

He has a pair of shoes.

他有一双鞋。

The only way that they can preserve their history is to recount it as sagas -- legends handed down from one generation of another.These legends are useful because they can tell us something about migrations of people who lived long ago, but none could wri

他们保存历史的唯一办法是将历史当作传说讲述，由讲述人一代接一代地将史实描述为传奇故事口传下来。