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carotenes

/ˈkærətiːnz/ /ˈkerətiːnz/

Meanings
noun

胡萝卜素

A class of tetraterpene plant pigments; they vary in colour from yellow, through orange to red, this colour originating in a chain of alternating single and double bonds.

Examples :

"The carrots provided a rich source of carotenes, giving the soup a vibrant orange color. "
这些胡萝卜富含胡萝卜素，使汤呈现出鲜艳的橙色。
compound substance chemistry plant biology biochemistry color vegetable food
noun

胡萝卜素，类胡萝卜素。

Specifically, a number of isomers of tetraterpene hydrocarbons, C40H56, (especially beta-carotene), present in carrots etc, which are converted into vitamin A in the liver.

Examples :

"Eating orange vegetables like carrots helps our bodies get carotenes, which our livers then turn into vitamin A. "
吃像胡萝卜这样的橙色蔬菜能帮助我们的身体获取胡萝卜素，这些胡萝卜素之后会在我们的肝脏中转化为维生素A。
substance chemistry biochemistry biology vegetable food compound physiology

Related Words

Illustration provided

provided verb

/pɹəˈvaɪdɪd/

挣钱，养家糊口.

"It is difficult to provide for my family working on minimum wage."

靠最低工资挣钱养家糊口是很困难的。

Illustration through

through noun

/θɹuː/ /θɹu/

贯石, 穿石。

"The dry-stone wall used a large, flat through to support the top stones. "

这堵干砌石墙用了一块又大又平的贯石来支撑顶部的石头。

Illustration hydrocarbons

hydrocarbons noun

/ˈhaɪdroʊkɑːrbənz/ /ˈhaɪdrəkɑːrbənz/

碳氢化合物，烃。

"Burning natural gas, which is mostly made of hydrocarbons, provides heat for many homes. "

燃烧天然气，它主要由碳氢化合物（烃）构成，为许多家庭提供热量。

Illustration alternating

alternating verb

/ˈɔltərˌneɪtɪŋ/ /ˈæltərˌneɪtɪŋ/

交替，轮流，更替。

"The children alternated reading aloud from their books in class. "

课堂上，孩子们轮流朗读课本。

Illustration converted

converted verb

/kənˈvɜːtɪd/ /kənˈvɝtɪd/

转化, 转换。

"A kettle converts water into steam."

水壶把水转化成蒸汽。

Illustration originating

originating verb

/əˈrɪdʒəˌneɪtɪŋ/ /ˈɔːrɪdʒəˌneɪtɪŋ/

起源于，发源于。

"The rumor is originating from a misunderstanding in the office. "

这个谣言起源于办公室里的一场误会。

Illustration especially

especially adverb

/əˈspɛʃ(ə)li/

特别，尤其。

"My sister is very helpful, especially when it comes to organizing things. "

我妹妹很乐于助人，尤其是在整理东西方面。

Illustration pigments

pigments noun

/ˈpɪɡmənts/

色素，颜料。

"The colors of autumn leaves come from different pigments in the tree cells as the green chlorophyll fades. "

秋叶的颜色来自于树叶细胞中不同的色素，当绿色的叶绿素逐渐消退时，这些色素就显现出来了。

Illustration vegetables

vegetables noun

/ˈvɛd͡ʒtəbəlz/

蔬菜，青菜

"In biology class, we learned that technically, even fruits are vegetables because vegetables are any plant. "

在生物课上，我们学到，严格来说，即使是水果也算是蔬菜，因为蔬菜的定义是任何植物。

Illustration specifically

specifically adverb

/spəˈsɪf.ɪk.li/

特别地，专门地，明确地。

"My teacher explained the new math formula specifically for students in the advanced class. "

我的老师专门为提高班的学生讲解了新的数学公式。

Illustration carrots

carrots noun

/ˈkærəts/ /ˈkerəts/

胡萝卜，红萝卜

"My sister likes to eat carrots for a healthy snack after school. "

我妹妹放学后喜欢吃胡萝卜当零食，因为胡萝卜既营养又好吃。

Illustration carotene

carotene noun

/ˈkærətiːn/ /ˈkerətiːn/

胡萝卜素

"The vibrant orange color of carrots comes from carotene, a pigment also found in sweet potatoes and pumpkins. "

胡萝卜鲜艳的橙色来自于胡萝卜素，这是一种也存在于红薯和南瓜中的色素。