reagent

/ɹi.ˈeɪ.dʒɛnt/

Meanings

noun

试剂，化验剂

A compound or mixture of compounds used to treat or test materials, samples, other compounds or reactants in a laboratory or sometimes an industrial setting.

Examples :

"The chemist used a special reagent to test the water sample for lead contamination. "

化学家使用了一种特殊的试剂来检测水样本中是否含有铅污染。

Related Words

compound noun

/ˈkɒmpaʊnd/ /ˈkɑmpaʊnd/ /kəmˈpaʊnd/

营地，集中营。

"The prisoners were kept in a secure compound. "

囚犯们被关在一个戒备森严的营地里。

contamination noun

/kənˌtæmɪˈneɪʃən/

污染，玷污.

"The contamination of the water supply caused many people to get sick. "

供水的污染导致很多人生病了。

chemist noun

/ˈkɛmɪst/

化学家，化学工作者

"The chemist carefully measured the ingredients for the baking soda volcano experiment in science class. "

那位化学工作者在科学课上小心地测量了小苏打火山实验的各种成分。

laboratory noun

/ləˈbɔɹətɹi/ /ləˈbɒɹət(ə)ɹiː/ /ˈlæb(ə)ɹəˌtɔɹi/

实验室，研究所。

"The science students conducted their experiments in the school laboratory. "

这些理科学生在学校的实验室里做了他们的实验。

mixture noun

/ˈmɪkstʃə/ /ˈmɪkstʃɚ/

混合，搀和

"The mixture of flour and water was carefully stirred to make the dough. "

为了做面团，人们小心地搅拌面粉和水的混合过程。

sometimes adjective

/ˈsʌmtaɪmz/

以前的，之前的。

"My sometimes neighbor, a retired teacher, still visits the school occasionally. "

我以前的邻居，一位退休教师，偶尔还会去学校看看。

reactants noun

/riˈæktənts/

反应物，反应剂

"In baking a cake, the flour, sugar, and eggs are the reactants that combine to form the final product. "

在烤蛋糕时，面粉、糖和鸡蛋是参与反应的反应物，它们结合在一起形成最终的成品。

samples noun

/ˈsæmpəlz/ /ˈsɑːmpəlz/

样品，样本，抽样。

"a blood sample"

一个血液样本

industrial noun

/ɪnˈdʌstɹɪəl/

工人，产业工人

"My grandfather was a skilled industrial during the 1950s. "

我爷爷在二十世纪五十年代是一位技术娴熟的产业工人。

setting verb

/ˈsɛtɪŋ/

放置，安放

"Set the tray there."

把托盘放在那里。

materials noun

/məˈtɪəɹɪəlz/ /məˈtɪɹi.əlz/

材料，原料。

"Asphalt, composed of oil and sand, is a widely used material for roads."

沥青，由石油和沙子组成，是一种广泛使用的道路材料。

compounds noun

/ˈkɑmpaʊndz/ /kəmˈpaʊndz/

营地，场地。

""During the war, the refugees lived in guarded compounds for their safety." "

战争期间，难民们为了安全起见，居住在有警卫的营地里。