urethane background
BeDict Logo

urethane

/ˈjʊərəθeɪn/ /ˈjʊrəθeɪn/

Meanings
noun

聚氨酯，氨基甲酸乙酯.

A white crystalline organic compound, ethyl-carbamate, NH2COOC2H5, used in the synthesis of other organic compounds.

Examples :

"In the chemistry lab, the student used urethane as a building block to create a more complex molecule. "
在化学实验室里，那个学生使用聚氨酯作为基本组成单元，来合成一个更复杂的分子。
compound substance chemistry material science

Related Words

Illustration protecting

protecting verb

/pɹəˈtɛktɪŋ/

保护， 守护， 防护.

"Condoms are designed to protect against sexually-transmitted diseases."

安全套的设计是为了保护人们免受性传播疾病的侵害。

Illustration compound

compound noun

/ˈkɒmpaʊnd/ /ˈkɑmpaʊnd/ /kəmˈpaʊnd/

营地，集中营。

"The prisoners were kept in a secure compound. "

囚犯们被关在一个戒备森严的营地里。

Illustration protective

protective noun

/pɹoʊtɛktɪv/

保护物，防护物。

"The protective helmet was essential for the construction worker. "

那个保护性头盔对建筑工人来说是必不可少的防护物。

Illustration polyurethane

polyurethane noun

/ˌpɑliˈjʊrəˌθeɪn/ /ˌpɑliˈjʊrəˌθɑn/

聚氨酯

"The furniture was coated in polyurethane to protect it from scratches and spills. "

家具表面涂了一层聚氨酯，防止刮擦和液体泼溅。

Illustration scratches

scratches noun

/ˈskrætʃɪz/ /ˈskrætʃəz/

刮痕，划痕。

"Her skin was covered with tiny scratches."

她的皮肤上布满了细小的刮痕。

Illustration structure

structure noun

/ˈstɹʌktʃə(ɹ)/ /ˈstɹʌktʃɚ/

结构，构造。

"The birds had built an amazing structure out of sticks and various discarded items."

鸟儿们用树枝和各种废弃物搭建了一个令人惊叹的构造。

Illustration chemistry

chemistry noun

/ˈkɛm.ɪ.stɹi/

化学，化学科学。

"The chemistry class focused on how different elements combine to form new substances. "

化学课的重点是不同的元素如何结合形成新的物质。

Illustration furniture

furniture noun

/ˈfɜːnɪtʃə/ /ˈfɝnɪtʃɚ/

家具，陈设。

"A chair is furniture. Sofas are also furniture."

椅子是家具。沙发也是家具。

Illustration crystalline

crystalline noun

/ˈkɹɪst.əl.aɪn/

结晶体，晶体。

"The jeweler carefully inspected each crystalline before setting it in the ring. "

珠宝匠在将每颗晶体镶嵌到戒指上之前，都仔细地检查了一遍。

Illustration carbamate

carbamate noun

/ˈkɑːrbəmeɪt/ /ˈkɑːrbəmət/

氨基甲酸酯, 胺基甲酸盐

"Many insecticides work by interfering with the nervous system of insects, with some acting as a carbamate, effectively poisoning them. "

许多杀虫剂通过干扰昆虫的神经系统来发挥作用，其中一些是氨基甲酸酯类农药，从而有效地毒杀它们。

Illustration synthesis

synthesis noun

/ˈsɪnθəsɪs/

综合，合成.

"The student's synthesis of different historical sources allowed her to write a strong essay. "

学生对不同历史资料的综合运用让她写出了一篇有力的文章。

Illustration compounds

compounds noun

/ˈkɑmpaʊndz/ /kəmˈpaʊndz/

营地， 场地。

""During the war, the refugees lived in guarded compounds for their safety." "

战争期间，难民们为了安全起见，居住在有警卫的营地里。