esters

/ˈɛstərz/

Meanings

noun

酯，酯类

A compound most often formed by the condensation of an alcohol and an acid, with elimination of water, which contains the functional group carbon-oxygen double bond joined via carbon to another oxygen atom.

Examples :

"Apples and bananas owe their pleasant, fruity smells and flavors to the presence of esters. "

苹果和香蕉之所以有令人愉悦的水果香味和味道，是因为它们含有酯类化合物。

Related Words

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。

presence noun

/ˈpɹɛzəns/

存在，在场，出席

"Any painter can benefit from the presence of a live model from which to draw."

任何画家都能从有真人模特在场供其写生中获益。

condensation noun

/ˌkɑndɛnˈseɪʃən/ /ˌkɒndenˈseɪʃən/

凝结，浓缩

"The condensation on the window pane made it hard to see outside during the morning class. "

早上上课的时候，窗户玻璃上的凝结水让大家很难看清外面。

elimination noun

/ɪˌlɪmɪˈneɪʃən/ /iˌlɪmɪˈneɪʃən/

消除，去除

"The elimination of distractions helped the student focus better on their homework. "

消除干扰后，学生能更好地专注于他们的作业。

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。

flavors verb

/ˈfleɪvərz/ /ˈfleɪvɚz/

调味，加味。

"My mom flavors the chicken soup with herbs and spices to make it taste better. "

我妈妈用香草和香料给鸡汤调味，让它味道更好。

alcohol noun

/ˈæl.kə.hɒl/ /ˈæl.kə.hɑl/

酒精，乙醇。

"My father enjoys a glass of alcohol with dinner. "

我父亲晚饭时喜欢喝一杯含有酒精的饮品。

pleasant noun

/ˈplɛzənt/

开心果，乐天派

"The dinner party was a success thanks to the pleasant, who kept everyone laughing with his silly jokes. "

多亏了那位开心果，他用那些傻气的笑话逗得大家哈哈大笑，这次晚宴才如此成功。

formed verb

/fɔːmd/ /fɔɹmd/

形成，构成。

"The children formed a circle to play duck, duck, goose. "

孩子们为了玩“丢手绢”游戏，形成了一个圆圈。

functional noun

/ˈfʌŋk(t)ʃnəl/

泛函

"The functional analysis course focused on definite integrals, a type of mathematical function. "

泛函分析课程着重讲解了定积分，定积分是一种数学上的泛函。

another pronoun

/æˈnʌð.ə(ɹ)/ /əˈnʌð.ə(ɹ)/ /æˈnʌð.ɚ/ /əˈnʌð.ɚ/

另一个，又一个。

"There is one sterling and here is another"

这里有一个英镑，这里是另一个。

bananas noun

/bəˈnɑːnəz/ /bəˈnænəz/

香蕉

"I packed bananas in my lunchbox for a healthy snack. "

我往午餐盒里装了香蕉，作为健康的零食。