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francium

/ˈfɹansɪəm/ /ˈfɹænsi.əm/

Meanings
noun

钫 (fāng)

The chemical element (symbol Fr) with an atomic number of 87. It is an intensely radioactive alkali metal that is not found in nature.

Examples :

"Because francium is intensely radioactive and extremely rare, scientists must create it artificially in laboratories for research. "
由于钫具有极强的放射性并且极其稀有，科学家们必须在实验室里人工合成它来进行研究。
element chemistry substance science

Related Words

Illustration radioactive

radioactive noun

/ˌɹeɪdioʊˈaktɪv/ /ˌɹeɪdioʊˈæktɪv/

放射性物质，放射物

"The radioactive was carefully stored in a lead-lined container at the science lab. "

科学实验室里，那些放射性物质被小心地储存在一个铅衬容器中。

Illustration accomplishment

accomplishment noun

/ə.ˈkʌm.plɪʃ.mənt/ /ə.ˈkɑm.plɪʃ.mənt/

成就, 完成， 达成。

"the accomplishment of an enterprise, of a prophecy, etc"

一个企业的成就，一个预言的达成，等等。

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 laboratory

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。

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 extremely

extremely adverb

/ɪksˈtɹiːmli/

极其，非常。

"The weather was extremely hot today; we stayed inside all afternoon. "

今天天气极其炎热，我们整个下午都待在室内。

Illustration laboratories

laboratories noun

/ləˈbɔːrətɔːriz/ /ləˈbɑːrətɔːriz/ /ˈlæbrətɔːriz/

实验室，研究室

"Scientists conduct experiments in laboratories to discover new medicines. "

科学家们在实验室里做实验，以发现新药。

Illustration artificially

artificially adverb

/ˌɑːrtɪˈfɪʃəli/ /ˌɑːrtəˈfɪʃəli/

人为地， 人工地

"The actor spoke his lines artificially, with too much intonation."

这位演员念台词时语气过于拿腔作调，显得非常不自然 (zhè wèi yǎnyuán niàn táicí shí yǔqì guòyú náqiāngzuòdiào, xiǎnde fēicháng bù zìrán).

Illustration intensely

intensely adverb

/ɪnˈtɛnsli/

强烈地，剧烈地

"He pursued his studies intensely."

他非常刻苦地钻研学业。

Illustration research

research noun

/ɹɪˈsɜːtʃ/ /ɹiˈsɝtʃ/

研究, 调研

"The research station that houses Wang and his team is outside Lijiang, a city of about 1.2 million people."

王和他的团队所在的科研站位于丽江郊外，丽江是一座约有120万人口的城市。

Illustration unstable

unstable verb

/ʌnˈsteɪbəɫ/

解放，放出

"The farmer unstable the horse from the stable before taking it to the field. "

农夫把马从马厩里放出来，然后带它去田里。

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。