phenanthrene

/fɪˈnænθriːn/ /fəˈnænθriːn/

Meanings

noun

菲

A tricyclic aromatic hydrocarbon obtained from coal tar; used in the manufacture of dyes, pharmaceuticals and explosives; it is isomeric with anthracene.

Examples :

"The analysis showed that the soil near the old factory contained a high concentration of phenanthrene, a toxic component of coal tar. "

分析显示，旧工厂附近的土壤中含有高浓度的菲（phenanthrene），这是一种煤焦油中的有毒成分。

Related Words

analysis noun

/əˈnælɪsɪs/

分析，解析

"The teacher's analysis of the student's essay focused on identifying the strengths and weaknesses of the argument. "

老师对学生作文的分析侧重于找出论证的优点和缺点。

hydrocarbon noun

/ˈhaɪdroʊˌkɑːrbən/ /ˈhaɪdrəˌkɑːrbən/

碳氢化合物，烃。

"Gasoline is a hydrocarbon fuel used in many cars. "

汽油是一种碳氢燃料，很多汽车都在使用。

manufacture noun

/ˌmænjʊˈfæktʃə/ /ˌmænjuˈfæktʃɚ/

制造, 生产

"The factory's efficient manufacture of toys allowed them to sell many at a low price. "

这家工厂高效地玩具生产使得他们能够以低廉的价格出售许多玩具。

contained verb

/kənˈteɪnd/

包含，容纳。

"The box contained old photographs. "

这个盒子里装着一些旧照片。

explosives noun

/ɪkˈsploʊsɪvz/ /ɛkˈsploʊsɪvz/

炸药，爆炸物。

"Construction workers use explosives to break down large rocks. "

建筑工人使用炸药来炸碎大块岩石。

anthracene noun

/ˈænθrəsiːn/ /ˈænθrəsiːn/

蒽, 蒽油。

" The laboratory tested the coal tar sample and found a high concentration of anthracene, a chemical used in making dyes. "

实验室检测了煤焦油样品，发现其中蒽的浓度很高，蒽是一种用于制造染料的化学物质。

obtained verb

/əbˈteɪnd/

获得，取得。

"She obtained her driver's license after passing the driving test. "

她通过了驾驶考试，获得了她的驾照。

component noun

/kʌmˈpoʊnənt/

组成部分, 部件，元件.

"A CPU is a component of a computer."

中央处理器是电脑的一个部件.

pharmaceuticals noun

/ˌfɑːrməˈsuːtɪkəlz/ /ˌfɑːrməˈsjuːtɪkəlz/

药品，药物。

"The doctor prescribed pharmaceuticals to help control my daughter's allergies. "

医生开了些药品来控制我女儿的过敏症状。

tricyclic noun

/ˌtraɪˈsaɪklɪk/

三环化合物

"The chemist identified the unknown substance as a tricyclic based on its three fused rings of atoms. "

这位化学家根据这种未知物质的三个稠合环状结构，判断它是一种三环化合物。

aromatic noun

/æ.ɹəˈmæt.ɪk/

香料, 香草

"Grandma used a generous amount of aromatic in her famous spaghetti sauce. "

奶奶在她著名的意面酱里放了大量的香料。

concentration noun

/ˌkɒnsənˈtɹeɪʃən/ /ˌkɑnsənˈtɹeɪʃən/

专注，集中，专心。

"My concentration was high during the important math test. "

在重要的数学考试中，我非常专注。