alkene

/ˈælkiːn/ /ˈɑːlkiːn/

Meanings

noun

烯烃

An unsaturated, aliphatic hydrocarbon with one or more carbon–carbon double bonds

Examples :

"The chemist explained that an alkene, unlike an alkane, contains at least one carbon-carbon double bond, making it more reactive. "

化学家解释说，烯烃和烷烃不同，它至少含有一个碳碳双键，这使得它的反应活性更高。

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。

unsaturated adjective

/ˌʌnˈsætʃəˌreɪtɪd/ /ʌnˈsætʃəˌreɪtɪd/

未饱和，不饱和。

"The sugar water is still unsaturated; I can add more sugar and it will dissolve completely. "

这糖水还未饱和，我可以再加些糖，它也能完全溶解。

carbon noun

/ˈkɑɹbən/

碳，炭。

"The pencil's lead is made of carbon. "

铅笔的笔芯是用碳做的。

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。

making noun

/ˈmeɪkɪŋ/

制作，构成。

"The intricate making of the model airplane showcased the student's skill. "

这款精巧的模型飞机的制作，展现了学生的精湛技艺。

aliphatic noun

/ælɪˈfætɪk/

脂肪族化合物

""Because it contains only carbon and hydrogen atoms arranged in a straight chain, that organic molecule is classified as an aliphatic." "

由于那个有机分子只含有碳和氢原子，并且它们排列成直链，因此它被归类为脂肪族化合物。

double noun

/ˈdʌb.əl/

双倍，两倍

"My brother's allowance is a double of mine. "

我弟弟的零花钱是我的两倍。

contains verb

/kənˈteɪnz/

包含，包括，含有

"The box contains my old toys. "

这个盒子里装着我以前的玩具。

explained verb

/ɪkˈspleɪnd/

解释，说明，阐明。

"To explain a chapter of the Bible."

解释《圣经》的一章.

unlike noun

/ʌnˈlaɪk/

不同之处，差异。

"My sister's approach to studying, unlike mine, is to focus on detailed notes. "

我姐姐的学习方法，和我的不同之处在于，她注重详细的笔记。

alkane noun

/ˈæl.keɪn/

烷烃

"The carbon chain of an alkane may be linear or branched, but must not contain loops (cycles); its chemical formula is of the form CnH2n+2."

烷烃的碳链可以是直链或支链，但不能包含环状结构；它的化学式为CnH2n+2。

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。