graphite
/ˈɡræfaɪt/
n.
一句话记住
石墨
释义与例句
n.
石墨
a soft black substance used in pencils and as a lubricant
-
The pencil is filled with graphite instead of lead.
铅笔芯装的是石墨而不是铅。
-
Graphite is a good conductor of electricity.
石墨是良好的导电体。
展开其余 3 条例句
-
Workers mine graphite from the hills in this region.
工人们在这个地区的山里开采石墨。
-
A thin layer of graphite reduces friction between the parts.
薄薄一层石墨能减少零件之间的摩擦。
-
Scientists study how graphite behaves under high pressure.
科学家研究石墨在高压下的表现。
词源与构词
graph(写)+ -ite(矿物后缀),这种矿物能在纸上留下字迹,因此得名“石墨”。
graph
词根 · to write,写
-ite
后缀 · 矿物名称后缀
记忆钩子
graph(写)+ ite(矿物):能在纸上写字留痕的矿物,就是石墨。
词族与关联词
同根词(同一个词根长出来的词)
-
In her autobiography, the actress describes growing up in a small village. 在这部自传中,这位女演员讲述了自己在小村庄长大的经历。
-
bibliography 参考书目;文献目录Every essay must end with a bibliography. 每篇文章末尾都必须附上参考书目。
-
biography 传记She is writing a biography of Einstein. 她正在写一部爱因斯坦传记。
-
calligraphy 书法;书法艺术She has studied Chinese calligraphy since she was a child. 她从小就学习中国书法。
-
choreography 编舞;舞蹈设计The ballet is famous for its graceful choreography. 这部芭蕾以优雅的编舞著称。
-
demographic 人口统计的;人口结构的The country is facing a serious demographic problem. 这个国家正面临严重的人口结构问题。
-
geography 地理;地理学Geography was my favorite subject at school. 地理是我上学时最喜欢的科目。
-
graphic 图文的;图形的She works as a graphic designer. 她是一名平面设计师。
-
paragraph 段落Read the first paragraph and answer the questions. 读第一段并回答问题。
-
photograph 照片;相片She showed me a photograph of her hometown. 她给我看了一张她家乡的照片。
词族(同一词根派生出的不同词性或形式)
-
graphitic 石墨的-ic 形容词后缀,graphite 去 e 加 -ic
-
graphitize 使石墨化-ize 动词后缀,表示使……化
-
graphitization 石墨化-ization 名词后缀,graphitize + -ation
同义词
-
carbon 碳carbon 是元素总称,含金刚石、石墨等多种形态;graphite 只指其中一种矿物。Diamonds and graphite are both forms of carbon. 钻石和石墨都是碳的形式。
-
lead 铅lead 是真正的金属铅,有毒;日常所说的“铅笔芯”其实是 graphite。People once believed the pencil core was lead. 人们曾以为铅笔芯是铅做的。
-
charcoal 木炭charcoal 是木材烧成的炭,多用于素描;graphite 是天然矿物,主要用于铅笔芯。He drew the outline with charcoal. 他用木炭画了轮廓。
易混词(形近或义近,注意区别)
-
graph 图表;曲线图graph 本身就是“写、画”的词根,作名词指图表;graphite 加 -ite(矿物后缀)才指石墨。The graph shows sales rising over five years. 这张图表显示五年间销量不断上升。
-
graphic 图形的-ic 是形容词后缀,graphic 指图形的;-ite 是矿物后缀,graphite 指石墨。She works as a graphic designer. 她是一名平面设计师。
-
granite 花岗岩granite 源于 granum(颗粒),指花岗岩;graphite 含 graph(写),指能写字的石墨。The kitchen counter is made of granite. 厨房台面是花岗岩做的。
常见搭配
-
graphite pencil 石墨铅笔Artists prefer a soft graphite pencil for shading. 画家喜欢用软石墨铅笔打阴影。
-
graphite mine 石墨矿The graphite mine closed last year. 这座石墨矿去年关闭了。
-
graphite rod 石墨棒The reactor uses graphite rods as a moderator. 反应堆用石墨棒作减速剂。