caesium background
BeDict Logo

caesium

/ˈsiːzi.əm/

Meanings
noun

铯

The chemical element (symbol Cs) with an atomic number of 55. It is a soft, gold-colored, highly reactive alkali metal.

Examples :

"Example Sentence: "Because caesium is so reactive, scientists must handle it carefully in special environments to prevent dangerous reactions." "
由于铯的反应性非常强，科学家们必须在特殊的条件下小心处理它，以防止发生危险的反应。
element chemistry substance material science

Related Words

Illustration sentence

sentence noun

[ˈsɛntn̩t͡s]

判决，宣判

"The court returned a sentence of guilt in the first charge, but innocence in the second."

法庭对第一项指控宣判有罪，但对第二项指控宣判无罪。

Illustration because

because adverb

/bɪˈkɒz/ /biˈkɔz/

因为，由于。

"I went to the park because the weather was nice. "

因为天气很好，所以我去了公园。

Illustration element

element noun

/ˈɛlɪmənt/

要素，成分，元素。

"Letters are the elements of written language."

字母是书面语言的基本要素。

Illustration scientists

scientists noun

/ˈsaɪəntɪsts/

科学家，科研人员。

"Scientists study plants to understand how they grow. "

科学家研究植物，从而了解它们的生长方式。

Illustration carefully

carefully adverb

/ˈkɛːfli/ /ˈkɛɹfli/

小心地，谨慎地，细致地

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

他小心地听着母亲的担忧，为她的失望感到难过。(Tā xiǎoxīn de tīngzhe mǔqīn de dānyōu, wèi tā de shīwàng gǎndào nánguò.)

Illustration environments

environments noun

/ɪnˈvaɪrənmənts/ /ɛnˈvaɪrənmənts/

环境, 周围环境

"The different environments of the school, from the quiet library to the noisy playground, affect how students learn. "

学校里不同的环境，从安静的图书馆到喧闹的操场，都会影响学生的学习方式。

Illustration colored

colored verb

/ˈkʌləɹd/

着色，染色。

"We could color the walls red."

我们可以把墙壁涂成红色。

Illustration reactions

reactions noun

/riˈækʃənz/ /riˈækʃnz/

反应，回应，感想

"The announcement of the verdict brought a violent reaction."

对判决的宣布引来了强烈的反应。

Illustration example

example noun

/əɡˈzæmpl̩/ /ɘɡˈzɐːmpɯ/ /ɪɡˈzɑːmpl̩/

例子，榜样

"The teacher gave a good example of a sentence using the past tense. "

老师举了一个很好的用过去时态造句的例子。

Illustration reactive

reactive adjective

/riˈæktɪv/ /riˈeɪtɪv/

反应性的，有反应的

"The nervous dog was very reactive to loud noises, jumping at every sudden sound. "

这只神经紧张的狗对很大的噪音非常敏感，一听到突发的声音就跳起来，反应很大。

Illustration dangerous

dangerous adjective

/ˈdeɪnd͡ʒ(ə)ɹəs/ /ˈdeɪnd͡ʒəɹəs/

危险的， hazardous 的

"Railway crossings without gates are highly dangerous."

没有栏杆的铁路道口非常危险。

Illustration chemical

chemical noun

/ˈkɛmɪkəl/

化学物质，化学品

"The scientist studied the chemical composition of the soil sample. "

这位科学家研究了土壤样本的化学物质组成。