lignin

/ˈlɪɡnɪn/

Meanings

noun

木质素

A complex non-carbohydrate aromatic polymer present in all wood.

Examples :

"The brown color of cardboard comes from the lignin that remains in the wood pulp used to make it. "

纸板的棕色来自于用于制造它的木浆中残留的木质素。

Related Words

complex noun

/ˈkɑmˌplɛks/ /kəmˈplɛks/

综合体，体系。

"The school's computer network is a complex of interconnected systems, linking classrooms, libraries, and administration offices. "

学校的电脑网络是一个综合体系，它连接了教室、图书馆和行政办公室等相互关联的系统。

from preposition

/fɹɒm/ /fɹʌm/

来自，从。

"I got a letter from my brother."

我收到了一封我哥哥寄来的信。

brown noun

/bɹaʊn/

棕色，褐色

"The browns and greens in this painting give it a nice woodsy feel."

这幅画作中的棕色和绿色，营造出一种美好的林地氛围。

remains noun

/ɹɪˈmeɪnz/

遗骸，残余，剩余物。

"After the party, the only remains were empty plates and a few scattered candies. "

派对结束后，剩下的只有空盘子和几颗散落的糖果。

aromatic noun

/æ.ɹəˈmæt.ɪk/

香料, 香草

"Grandma used a generous amount of aromatic in her famous spaghetti sauce. "

奶奶在她著名的意面酱里放了大量的香料。

polymer noun

/ˈpɒl.ɨ.mə/ /ˈpɑ.lɪ.mɚ/

聚合物，高分子。

"The plastic in my school's new chairs is a polymer. "

我学校新椅子上的塑料是一种聚合物，它是由很多叫做单体的小分子连接而成的。

cardboard noun

/ˈkɑːdbɔːd/ /ˈkɑɹdbɔɹd/

纸板，卡纸。

"The moving company used cardboard boxes to pack all the family's belongings. "

搬家公司用纸板箱把这家人所有的东西都打包了。

comes verb

/kʌmz/

来，到来

"She’ll be coming ’round the mountain when she comes [...]"

她绕过山的时候会从远处过来，[...]

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。

color noun

/ˈkʌl.ə(ɹ)/ /ˈkʌl.ɚ/

颜色, 色彩

"Humans and birds can perceive color."

人类和鸟类能够感知色彩。

carbohydrate noun

/kɑːbəʊˈhaɪdɹeɪt/ /kɑːɹboʊˈhaɪdɹeɪt/

碳水化合物，糖类。

"These microbes are primarily responsible for breaking down cellulose and other carbohydrates into volatile fatty acids (VFAs)."

这些微生物主要负责分解纤维素和其他碳水化合物，将它们转化为挥发性脂肪酸。

wood noun

/wʊd/

木材，木料。

"There was lots of wood on the beach."

海滩上有很多木头.