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isoprene

/ˈaɪsə(ʊ)pɹiːn/ /ˈaɪsəˌpɹin/

Meanings
noun

异戊二烯, 间戊二烯.

An unsaturated hydrocarbon, C5H8, that is readily polymerized; natural rubber (caoutchouc) is cis-1,4-polyisoprene, and trans-1,4-polyisoprene is present in gutta-percha and balata; it is the structural basis for the terpenes.

Examples :

"Natural rubber is made up of many linked isoprene molecules. "
天然橡胶是由许多相互连接的异戊二烯分子构成的。
compound substance chemistry material science

Related Words

Illustration readily

readily adverb

/ˈɹɛdɪli/

乐意地, 欣然.

"The suspect readily answered all questions the police officers asked him."

嫌疑人很配合，欣然回答了警察提出的所有问题。

Illustration polymerized

polymerized verb

/ˈpɑlɪməˌraɪzd/ /ˈpɒlɪməˌraɪzd/

聚合，使聚合。

"The plastic in this water bottle was polymerized from smaller molecules to create a strong, durable material. "

这 个 水 瓶 里 的 塑 料 是 由 较 小 的 分 子 聚 合 而 成 的，形成 了 坚固 耐用 的 材料。

Illustration hydrocarbon

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。

Illustration unsaturated

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。

Illustration structural

structural noun

/ˈstrʌktʃərəl/ /ˈstrʌktʃərəl/

型钢，结构钢。

"The building's structural steel supports the weight of the roof. "

这栋建筑的型钢结构支撑着屋顶的重量。

Illustration terpenes

terpenes noun

/ˈtɜːrpiːnz/ /ˈtɜːrpɪnz/

萜烯，萜类化合物。

"The pleasant smell of lemons and oranges comes from terpenes, the natural compounds found in their peels. "

柠檬和橙子那令人愉悦的气味，来自于萜烯，也就是存在于它们果皮中的天然化合物。

Illustration natural

natural noun

/ˈnætʃəɹəl/ /-ɚəl/

本地人，居民。

"The new student was a natural from Japan. "

这个新学生是土生土长的日本人。

Illustration balata

balata noun

/bəˈlɑːtə/ /bæˈleɪtə/

巴拉塔树

"The children collected fallen yellow berries from the balata tree growing near the riverbank. "

孩子们从河岸边生长的巴拉塔树上捡拾掉落的黄色浆果。

Illustration rubber

rubber noun

/ˈɹʌbə(ɹ)/ /ˈɹʌbɚ/

橡胶，橡皮。

"My brother used rubber bands to hold the papers together. "

我哥哥用橡皮筋把这些纸捆在了一起。

Illustration present

present noun

/pɹəˈzɛnt/ /ˈpɹɛzənt/ /pɹɪˈzɛnt/

现在, 目前.

"In the present, my focus is on finishing this project for work. "

现在，我的重点是完成这个工作项目。

Illustration caoutchouc

caoutchouc noun

/ˈkaʊtʃuk/

天然橡胶，橡胶。

"The old tires were made from tough, durable caoutchouc harvested from rubber trees. "

这些旧轮胎是用从橡胶树上采集的坚韧耐用的天然橡胶制成的。

Illustration molecules

molecules noun

/ˈmɑːlɪkjuːlz/ /ˈmɒlɪkjuːlz/

分子

"Hydrogen chloride is a diatomic molecule, consisting of a hydrogen atom and a chlorine atom."

氯化氢是双原子分子，它由一个氢原子和一个氯原子构成。