sterols

/ˈstɪrɔlz/ /ˈstɛrɔlz/

Meanings

noun

甾醇，固醇。

Any steroid that contains a hydroxyl group in the 3-position of the A-ring.

Examples :

"Sterols are found in all animal and plant tissue and play an important role in hormone chemistry."

甾醇存在于所有动植物组织中，并在激素化学中扮演着重要的角色。

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。

important adjective

/ɪmˈpɔːtənt/ /ɪmˈpɔɹtənt/

重要，关键，至关重要。

"It is very important to give your daughter independence in her life so she learns from experience."

给予女儿生活上的独立性，让她从经验中学习，这一点至关重要。

steroid noun

/ˈstɛɹɔɪd/

类固醇，甾族化合物

"My doctor prescribed a steroid cream to reduce the inflammation on my skin. "

医生给我开了类固醇药膏，用来减轻我皮肤上的炎症。

tissue noun

/ˈtɪsjuː/ /ˈtɪʃu/

薄纱，绢。

"The delicate tissue paper wrapped the fragile antique doll. "

包裹着易碎古董娃娃的是精致的薄纱纸。

position noun

/pəˈzɪʃ(ə)n/

位置，地点，方位。

"My favorite position in the classroom is near the window. "

我在教室里最喜欢的位置是靠窗户的地方。

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。

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。

group noun

/ɡɹuːp/

群体，团体，组。

"The group of students worked together on their project. "

这群学生一起合作完成了他们的项目。

hormone noun

/ˈhɔːməʊn/ /ˈhɔːɹmoʊn/

激素，荷尔蒙

"The hormone adrenaline was released into her bloodstream, causing her heart to race as she prepared for the big presentation. "

肾上腺素这种激素释放到她的血液中，使她在准备重要演讲时心跳加速。

hydroxyl noun

/haɪˈdrɑːksɪl/ /haɪˈdrɒksɪl/

羟基，氢氧基

"The scientist added a hydroxyl group to the molecule to make it a type of alcohol. "

科学家给分子添加了一个羟基，使它变成了一种醇类物质。

plant noun

/plænt/ /plɑːnt/

植物，草木。

"The garden had a couple of trees, and a cluster of colourful plants around the border."

花园里有几棵树，边缘还簇拥着一些色彩鲜艳的草本植物。

animal noun

/ˈænɪməl/

动物，牲畜

"A cat is an animal, not a plant. Humans are also animals, under the scientific definition, as we are not plants."

猫是动物，不是植物。按照科学定义，人类也是动物，因为我们不是植物。