biphenyl

/baɪˈfiːnəl/ /biːˈfiːnəl/

Meanings

noun

联苯

A colourless solid hydrocarbon, C12H10, consisting of two benzene rings linked together by a single bond

Examples :

"The lab technician carefully measured the amount of biphenyl needed for the experiment, noting its chemical formula, C12H10, which shows its two linked benzene rings. "

实验室技术员仔细测量了实验所需的联苯量，并记录了它的化学式 C12H10，这个化学式显示了它是由两个苯环连接而成。

noun

联苯，二苯。

Any substituted or otherwise altered version of biphenyl, such as PCBs

Examples :

"halogenated biphenyls"

卤代联苯 (通常指多氯联苯等).

compound substance chemistry environment technical

Related Words

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。

experiment noun

/ɛk.ˈspɛ.ɹɪ.mənt/ /ɪk.ˈspɛɹ.ə.mənt/

实验，试验

"The science teacher conducted an experiment to demonstrate how plants grow in different types of soil. "

科学老师做了一个实验，来展示植物在不同类型的土壤里是如何生长的。

colourless adjective

/ˈkʌlə(ɹ).ləs/

无色的，没有颜色的

"The water from the well was surprisingly colourless, almost like air. "

那井里的水出乎意料地没有颜色，几乎像空气一样透明。

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.)

technician noun

/tekˈnɪʃən/

技术员，技师

"The computer technician fixed the broken printer in the school library. "

学校图书馆里的电脑技术员修好了那台坏掉的打印机。

consisting verb

/kənˈsɪstɪŋ/

包括，组成。

"The project consists of three main parts. "

这个项目包括三个主要部分。

halogenated verb

/ˈhælədʒəˌneɪtɪd/ /ˈheɪlədʒəˌneɪtɪd/

卤化

"To make it safer for use in the classroom, the lab technician halogenated the organic solvent, making it less flammable. "

为了使其在课堂上使用更安全，实验室技术员对有机溶剂进行了卤化处理，降低了它的可燃性。

substituted verb

/ˈsʌbstɪtjuːtɪd/ /ˈsʌbstɪtutɪd/

代替，取代。

"I had no shallots so I substituted onion."

我没有小葱，所以就用洋葱代替了。

together adjective

/təˈɡɛð.ə(ɹ)/ /təˈɡɛðɚ/

有条理的, 井井有条的。

"The teacher's lesson plan was together, covering all the key concepts logically. "

老师的教案很有条理，逻辑清晰地涵盖了所有关键概念。

biphenyls noun

/baɪˈfɛnəlz/

联苯，二苯

"Although biphenyls were once widely used in industry for heat transfer fluids, their persistence in the environment raised concerns about potential health risks. "

虽然联苯曾经在工业上被广泛用作传热流体，但它们在环境中的持久性引起了人们对潜在健康风险的担忧。

otherwise adjective

/ˈʌð.əˌwaɪz/

其他的，不同的。

"He said he didn’t do it, but the evidence was otherwise."

他说他没做过，但证据显示的情况却不是这样。

measured verb

/ˈmɛʒəd/ /ˈmɛʒɚd/

测量，衡量，度量。

"We measured the temperature with a thermometer. You should measure the angle with a spirit level."

我们用温度计测量了温度。你应该用水平仪测量这个角度。