chitin

/ˈkaɪtɪn/

Meanings

noun

几丁质

A complex polysaccharide, a polymer of N-acetylglucosamine, found in the exoskeletons of arthropods and in the cell walls of fungi; thought to be responsible for some forms of asthma in humans.

Examples :

"The hard shell of the crab is made of chitin. "

螃蟹坚硬的外壳是由几丁质构成的。

Related Words

found verb

/faʊnd/

发现，碰到

"While walking to school, Sarah found a lost wallet on the ground. "

莎拉在上学的路上，偶然在地上发现了一个丢失的钱包。

humans noun

/ˈhjuːmənz/ /ˈjuːmənz/

人类，人们，人。

"Humans share common ancestors with other apes."

人类与其他猿类拥有共同的祖先。

arthropods noun

/ˈɑːrθrəpɒdz/ /ˈɑːrθrəpɑːdz/

节肢动物，节肢类动物

"Example Sentence: "Insects, spiders, and crabs are all examples of arthropods, which means they have an external skeleton and jointed legs." "

昆虫、蜘蛛和螃蟹都是节肢动物的例子，也就是说它们都长有外骨骼和带关节的腿。

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。

walls noun

/wɔːlz/ /wɔlz/

城墙, 围墙

"The old city had strong walls to protect it from enemies. "

这座古城有坚固的城墙，保护它免受敌人的侵袭。

asthma noun

/ˈasmə/ /ˈæzmə/

哮喘，气喘.

"My brother suffers from asthma, which means he sometimes has trouble breathing, especially when he exercises. "

我弟弟有哮喘，这意味着他有时候呼吸困难，特别是运动的时候。

responsible noun

/ɹɪˈspɒnsəbl̩/ /ɹɪˈspɑnsəbl̩/

负责人，责任人

"The responsible for the project is Maria. "

这个项目的负责人是玛丽亚。(Zhè ge xiàngmù de fùzérén shì Mǎlìyà.)

thought verb

/θɔːt/ /θɔt/

思考，考虑

"Idly, the detective thought what his next move should be."

侦探闲来无事，脑子里琢磨着下一步该怎么走。

fungi noun

/ˈfʌn.dʒaɪ/

真菌，菌类

"After the heavy rain, we saw many fungi, like mushrooms and toadstools, growing in the garden. "

大雨过后，我们在花园里看到了很多真菌，比如蘑菇和毒菌。

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。

exoskeletons noun

/ˌɛksoʊˈskɛlətənz/ /ˌɛɡzoʊˈskɛlətənz/

外骨骼，外壳。

"The discarded exoskeletons of cicadas clung to the tree bark in the park. "

公园里，蝉蜕下的外壳紧紧地附着在树皮上。

polysaccharide noun

/ˌpɑliˈsækəˌraɪd/ /ˌpɒliˈsækəˌraɪd/

多糖

"Cellulose, starches, and complex carbohydrates, such as glycogen, are common polysaccharides in biology."

纤维素、淀粉和复合碳水化合物，比如糖原，都是生物学中常见的多糖，也就是由很多糖单元连接而成的大分子。